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Covers oscillatory motion, waves, superposition and interference of waves, diffraction, electricity, and magnetism, electric circuits, light, mirror and lenses.

It is a bob suspended from a very light string or rod.

- none of the choices
**simple pendulum**- waves
- period

Electric charge is composed of ?

- Charge , magnetic
**Positive , Negative**- Neutron , Proton

Since all of these forces are not entirely parallel, the position of the resultant can be established using the ________ or ________ methods.

- analytical, graphical
- none of the choices
**graphical, algebraic**- graphical, logical

KCL is for Voltage while KVL is for current.

**False**- True

Power is a rate at which work is done and it is the rate at which energy transferred.

**TRUE**- FALSE
- none of the above

The index of refraction of light in VACUUM is ?

- 1.33
**1**

The index of refraction of air is ?

**1.00**- 1.33
- 100

Capacitor is store energy between the spaces of the plates and they energy is used to generate high form of electric current.

- False
**True**

Is a device connected in parallel with a device to measure it's voltage.

- Ohm's
- Voltmeter
- Ammeter

The index of refraction of light in air is ?

**1.00**- 1.33

The formula of OHM's LAW is composed of Voltage, Current and Resistance.

**True**- False

The Unit of current is What ?

- Charge
**Ampere**- Kilowatts

Current : AMPERE ; Resistance : ___________.

- Voltage
- Resistor
**OHM**

Insulators is used to store energy and electric charge.

**FALSE**- charge force
- TRUE

EMF stands for Electromotive Force.

**True**- False

________________ is a wire that has a metal tipped wand.

- Voltmeter
**Probe**- ammeter

Find V if I=5 and P=4.

**0.8**- 20
- 9

Free-falling objects always encounter air resistance.

**False**- True

The three forces in the figure create a vertical resultant acting through point A. If T is known to be 361 lb., compute the values of F and P. NOTE: see fig-4 from the LIST OF FIGURE in week-1

**F = 253.29 lb , P = 507.06 lb**- F = 25.329 lb , P = 507.06 lb
- F = 2532.9 lb , P = 50.706 lb
- none of the choices

Determine the resultant of the force system shown in the figure and its x and y intercepts. NOTE: see fig-3 from the LIST OF FIGURE in WEEK-1

**161.314 lb**- 164.311 lb
- none of the choices
- 163.114 lb

States that in a closed circuit that the entering current at node is equal to the current leaving at the node is?

- Ohm's
- KVL
**KCL**

Find R if I= 16, V=4.

- 8
**0.25**- 2

it is an electronic circuit device for temporary storage of electrical energy.

**Capacitors**- Insulators
- Conductors

The unit of Voltmeter is Ammeter.

**False**- Positive
- True

To get the total Capacitance of a circuit we used a device called capacitor.

**False**- True

A function of space whose value at each point is a vector quantity called?

- Magnetic charge
**Vector Field**- Source charge

Ohm's Law is a law stating that electric current is proportional to voltage and inversely proportional to resistance.

**True**- False

KVL stands for kirchhoff's voltage lane.

**False**- True

The unit of Volts is called Voltmeter.

**False**- True

The charge particle causing the electric field to exist is called?

- Electric Charge
**Source charge**- Magnetic charge

Is a device used for measuring the potential difference between 2 different points in space.

**Voltmeter**- Ammeter
- Resistivity

Circuits consists of circuit element and wires, the wires are called?

- Wires
- Resistors
**Conductors**

The unit of Capacitor is Capacitance.

- False
**True**

The unit of RESISTANCE IS RESISTOR.

**False**- sometimes
- True

Power is equal to current multiply by_________________ ?

- power
- resistance
**voltage**

Ammeter device used to measure Current.

- False
**True**

The "n" symbol is for the index of refraction of a transparent medium.

- False
**True**- all of the above

Resistivity is a measure of the resistance of a given size of a specific material to electrical conduction.

- False
**True**

The positive and Negative charges cannot attract each other.

**False**- True

Is a device connected in parallel with a device to measure it's current.

- Voltmeter
- Ohm's
**Ammeter**

Voltage is measured through the used of _______________?

- Ammeter
- Ampere
**Voltmeter**

Positive charge can be found also in a Proton.

- False
**True**

The following are examples of light EXCEPT ONE.

**Radio**- X-rays
- infrared

The unit of POWER is WATT.

**False**- True

A 300-lb box is held at rest on a smooth plane by a force P inclined at an angle θ with the plane as shown in the figure. If θ = 45°, determine the value of P and the normal pressure N exerted by the plane. NOTE : see fig 7 from the LIST OF FIGURE in Week-1

- none of the choices
- P = 2121.3 lb , N = 40981 lb
**P = 212.13 lb , N = 409.81 lb**- P = 21213 lb , N = 40.981 lb

Voltmeter is measured through the used of Volts.

**False**- Ammeter
- True

The unit of current is always volts.

- both a and b
- True
**False**

The index of refraction of light in water is ?

**1.33**- 1
- 1.00

The charge flow rate is called Electric current.

- False
**True**

Symbol 'V' stands for EMF also ?

- False
**True**

The symbol "V" stands for Voltage.

- False
**True**

Current is not the flow of charges, it is the rate of flow of charges.

**True**- False

The resultant of non-concurrent force system is defined according to _________, __________, and ___________.

- magnitude, displacement, position
- speed, inclination, position
- none of the choices
**magnitude, inclination, position**

Find the total capacitance if they are connected in parallel (C1=3 , C2 =5 , C3=6.

**14**- 2
- 90

Determine the values of α and θ so that the forces shown in the figure will be in equilibrium.

- none of the choices
**α =46.57 degrees and θ = 28.96 degrees**- α =4.57 degrees and θ = 58.96 degrees
- α =6.57 degrees and θ = 2.96 degrees

The frequency of Microwaves is ?

**300-750000 MHz**- 6000-500000 MHz
- < 300THz

The circuit cannot function if there is no ________________ ?

- capacitor
- resistor
**Power source**

Conductors is a material that permits an _____________ to flow easily.

**electric current**- Electric Circuit
- Electromagnetic

It is the opposition to current flow in an electric circuit.

- Conductors
- Capacitors
**Resistance**

_______________ has a zero charge.

- Proton
- Neutron
**ELectron**

"V" symbol is for ?

**Voltage**- Kilowatts
- Vats

"F" stands for Electric Force ?

**False**- True

Find the total resistor if R1, R2, R3 and R4 is connected in series and there value is 2 ,4 ,6 ,8 respectively.

- 20
- 30
- 10

The unit of Volts is Voltage.

- Undefined
**False**- True

The figure represents the concurrent force system acting at a joint of a bridge truss. Determine the value of P and F to maintain equilibrium of the forces. NOTE : see fig-9 from the LIST OF FIGURE in Week-1

- P = 265.45 lb, F = 472.44 lb
- P = 65.45 lb, F = 12.44 lb
**P = 165.45 lb, F = 412.44 lb**- none of the choices

The 2kinds of charge are ?

**Positive, Negative**- Negative,Positivity
- Electron, Proton

The motion is repeated in the same length of time.

- period
**angular harmonic motion**- none of the choices
- acceleration

Ammeter is used to measure Voltage.

**False**- True

Kirchhoff's Current Law is also Known as 2nd Law of motion.

- True
- False

V stands for voltage.

**True**- False

Energy is a rate at which work is done and it is the rate at which Energy transferred.

**False**- True

An object that is falling under the sole influence of gravity.

**free falling object**- none of the choices
- range
- free fall

KCL is also called @nd Law of motion ?

- TRUE
- none of the above
**FALSE**

Find P if I=6A and V=3V.

**18Watts**- 18Ampere
- 18OHM

The distance of the mass below or above from the center position, or rest position.

- none of the choices
**displacement**- waves
- periodic motion

An object can have positive and Negative charge.

- False
**True**

The most common used for capacitors is energy storage.

- False
**True**

A law stating that Electric current is Proportional to voltage and inversely Proportional to resistance.

- Ampere Law
- Voltage Law
**Ohm**

Symbol 'A' stands for Length of ammeter ?

- none of the above
- TRUE
**FALSE**

KCL states that,in a closed circuit the entering current at node is equal to the current leaving at the node.

- False
**True**

Find R is V=10, I=0.5.

- 10.5
- 5
**20**

KCl stands for?

- all of the above
**Kirchhoff's Current Law**- Kirchhoff's Voltage Law

EMF stands for ?

- Electromagnetic Force
**Electromotive Force**- Electromagnetic Fraud

Ammeter and Voltmeter that measures charges.

**False**- True

Find I if V=5 volts, R = 2.

- 3.5
- 1.5
**2.5**

The unit for resistance is OHM.

- False
**True**

Voltmeter is a device used for measuring the potential difference between 2 different points in space.

- False
**True**

______________________ can be created by accelerating charges and moving charges.

**Electromagnetic waves**- Electromagnetic fields
- Electromagnetic Force

A shot at an initial velocity at an angle above the horizon.

**projectile**- none of the choices
- kinematics
- free fall

Determine the magnitude of P and F necessary to keep the concurrent force system in the figure in equilibrium. NOTE : see fig-8 from the LIST OF FIGURE in week-1

- P = 133.25 N, F = -86.37 N
- P = -13.325 N, F = -86.37 N
- none of the choices
**P = -133.25 N, F = 86.37 N**

___________________ IS ALSO CALLED A LOWER POTENTIAL TERMINAL.

- POSITIVE
**NEGATIVE**- CONDUCTORS

Find V if P=3 and I=2.

- 6
- 3/2
**1.5**

The symbol "r" stands for Distance between the two particles.

- False
**True**

A circuit cannot be function without a source or power.

**True**- False

The symbol "k" stands for Kirchoff's.

- True
**False**

the symbol "C" stands for Charges.

**False**- True

Current is measured in Amperes.

- False
**True**

The symbol "k" in Coulomb's Law is called ?

- Potassium
**Coulomb constant**- Kirchhoff

R represents rate of change.

- True
**False**

The unit of Resistance is what ?

**Ohm**- Resistivity
- Resistors

Source Charge a charged particle that is causing the electric field to exist.

**True**- False

The wires of ammeter is both Positive respectively.

- true
- must be both Negative
**false**

Find R total if the resistors are in Parallel. Given : 2 ohm, 3 ohm, 4 ohm.

- 0.8231
**0.9231**- 0.10

The "P" symbol stands for ?

**Power**- Potential
- Placement

If there is a great number of forces, the ___________ to this system would potentially be simpler if the forces that are applied to the system are easy to break into components.

- logical solution
**algebraic solution**- graphical solution
- none of the choices

Find V if I=4 and R= 3

- 1.5
- 0.75
**12**

Once we know how long the projectile stayed in the air, finding the _____________ from the horizontal motion is simple.

- none of the choices
**range**- trajectory height
- free falling object

The Frequency of ultraviolet rays is ?

- 10000 THz
**750-6000 THz**- 6000-50000 THz

The cable and boom shown in the figure support a load of 600 lb. Determine the tensile force T in the cable and the compressive for C in the boom. NOTE : see fig-5 from the LIST OF FIGURE in Week-1

- none of the choices
- T = 49.24 lb , C = 57.94 lb
**T = 439.24 lb , C = 537.94 lb**- T = 43.24 lb , C = 53.94 lb

Voltmeter device used to measure Voltage.

- False
**True**

EMF is also called a power source.

- False
**True**

The unit of Voltage is ?

- Ampere
**Volts**- Watts

A circuit can"t function without a resistors ?

- True
**False**

The unit of Power is WATT(W).

- False
**True**

Positive and negative charge is very important in a circuit.

- false
**True**- all of the above

The wavelength of Radiowaves is ?

- > 12m
- >0.4 m
**>1m**

The symbol are usually use for Capacitors.

- True
**False**

Vector field is a function of space whose value at each point is a vector quantity.

**True**- False

The current can passed through the used of resistors.

**True**- False

Symbol 'A' stands for length of ammeter.

**False**- True

Radio is an example of a light.

- True
**False**- All of the above

Ammeter is connected in series with a device to measure it's voltage.

**False**- True

Ammeter is connected parallel in a device.

- False
**True**

The circuit can be function without wires.

- True
**False**

It is also called a higher potential terminal.

**Positive**- Negative
- Conductors

Voltmeter is connected in parallel with a device to measure it's voltage.

**True**- False

The speed of light in a vacuum is ?

**3.00 x 10 ^ 8 m/s**- 475m/s
- 3.00 x 10^5 m/s

The best way to Survive the Calculus based- Physics 2 subject is /are ?

- know your priorities and responsibilities as student
**all of the above**- Studyhard

Insulator is used to store energy and electric charge.

**False**- True

____________________ Is an electronic device for temporary storage of electrical energy.

- capacitor in series
**Capacitor**- Capacitor in parallel

Symbol C stands for Circuit.

- True
**False**- both a and b

The some example of a good Conductor is a Copper.

- False
**True**

Find V is R=3, and I= 2.

**6**- 1.5
- 0.5

The number of seconds it will require to make one complete vibration or one up and down is called?

- none of the choices
**period**- displacement
- waves

Is defined as the projection of uniform circular motion on a straight line.

- period
**simple harmonic motion**- none of the choices
- motion

_________________ is a rate at which work is done and it is the rate at which energy is transferred.

- Resistivity
- Resistors
**Power**

Conductors is made of two close conductors that are separated by a dieletric material.

**False**- True

The Ammeter is a device used to measure ?

**Current**- Ohmic
- Voltage

The charge flow rate is called ?

- Charge Current
**Electric current**- Electromagnetic Field

The following are not Example of Conductors EXCEPT ONE.

- Rubber
**Metal**- Rust

Voltmeter is a device used to measure ?

- Current
**Voltage**- charge

The ______ in simple harmonic motion is proportional and opposite to the displacement.

- period
- angular harmonic motion
**acceleration**- displacement

All free-falling objects (on Earth) accelerate at a rate of _____________.

- 98m/s2
**9.8m/s2**- none of the choices
- 9.8m/s

The positive and Negative charges can be _____________?

- Disregard
- Repel
**Attract**

The phenomenon of charging by rubbing is called ?

- Riboelectricfication
**Triboelectrification**- Electrification

In circuits, Charge goes around in loops.

**True**- False

Resistance is the unit of Resistors.

**False**- True

_____________ is the maintainer of a constant potential difference.

- Electromagnetic force
**EMF**- Charges

Power is measured through the used of a device called Circuit breaker.

**False**- True

A circuit can't be function without capacitor.

**False**- True

Electrowaves is an example of Conductors.

- True
- none of the above
**False**

Symbol 'C' stands for Circuits ?

**False**- True

Capacitors is the opposition to current flow in an electrical circuit.

- True
**False**

Two weightless bars pinned together as shown in the fig-15 from the LIST OF FIGURE in Week-1 support a load of 35 kN. Determine the forces P and F acting respectively along bars AB and AC that maintain equilibrium of pin A.

- P = 900.14 kN, F = 4.03 kN
- P =9.14 kN, F = 6.03 kN
- none of the choices
**P = 90.14 kN, F = 64.03 kN**

Resistors : _________ ; Capacitors : Capacitance.

- Voltage
- ampere
**Resistance**

Resistors are measured in ?

**Resistance**- Ohm
- Ampere

When elastic bodies vibrate they produce the simplest type of periodic motion.

- period
- none of the choices
**simple harmonic motion or SHM**- simple pendulum

Find R total if the resistors are connected in series. Given 4 ohm,9 ohm, 10 ohm, 12 ohm, 16 ohm ,15 ohm.

- 65
**66**- 67

Find I if P=6 and V=1.

- 0.666
**6**- 1/6

The symbol "c" stands for ?

- speed of light in water
- speed of light in a glass
**speed of Light in vacuum**

The symbol for a Source is "S".

- True
**False**

States that the algebraic sum of the voltage at node in a closed circuit is equal to zero.

- Ohm's
**KVL**- KCL

Capacitor is also called Positive charges.

**False**- True

Volts is the unit of power.

**False**- True

"R" stands for ?

- Resist
**Resistance**- Rust

The index of refraction of Water is 1.5 ?

- Both a and b
- True
**False**

Find V if I=2 and P=22

- 2/22
**11**- 44

KCL : CURRENT ; KVL : VOLTAGE.

- False
**True**

Such an object will rise until its velocity is ______________.

- 2
**0 or zero**- 5
- 3

The motion of a body which repeats itself at regular intervals of time or period.

- simple harmonic motion
- none of the choices
- displacement
**periodic motion**

The frequency of Infrared is ?

- 60000 GHz
**750GHz-430 GHz**- 430-750GHz

Find R if V= 4 volts, I= 10 amperes.

- 40
**0.4**- 2.5

The charged particle causing the electric field to exist is called the Electric force..

- True
**False**

Find P if I= 3A and V=3V.

- 6
- 1
**9**

We used the symbol "q" for the charge victim.

**True**- False

Ammeter and Voltmeter are considered device used in a circuit.

- False
**True**

Ammeter is connected in parallel with a device to measure it's current.

- False
**True**

The following are examples of Conductors, EXCEPT ONE.

- Steel
**Papers**- Aluminum

'n' is the index of refraction of a transparent medium.

**True**- False
- none of the above

If the power is constant, is simply the Formula of it is ?

- E= I / P
**E = Pt**- E= P / t

When the cycle in harmonic curve is repeated successively the result will be a series of__________?

**waves**- none of the choices
- displacement
- period

The cylinders in the figure have the indicated weights and dimensions. Assuming smooth contact surfaces, determine the reactions at A, B, C, and D on the cylinders. NOTE : see fig-13 from the LIST OF FIGURES in Week-1

**A = 347.39 kN, B = 600 kN, C = 400.85 kN, D = 347.39 kN**- A = 37.39 kN, B = 6000 kN, C = 4000.85 kN, D = 37.39 kN
- none of the choices
- A = 47.39 kN, B = 60 kN, C = 40.85 kN, D = 47.39 kN

Find P if I=1 and V= 2.

**2**- 1/2
- 0.5

The 300-lb force and the 400-lb force shown in the figure are to be held in equilibrium by a third force F acting at an unknown angle θ with the horizontal. Determine the values of F. NOTE : see fig-10 from the LIST OF FIGURE in Week-1

- 5.31 lb
- none of the choices
**F = 205.31 lb**- F = 20.31 lb

Closed loop is also Called a circuit.

- False
**True**

Find V if I=3 and R=5.

- 0.333
- 1.5
**15**

The unit of resistance is Ohm's.

**True**- False

Cords are loop around a small spacer separating two cylinders each weighing 400 lb. and pass, as shown in the fig-12 from the LIST OF FIGURE in Week-1 over a frictionless pulley to weights of 200 lb. and 400 lb. Determine the angle θ.

**θ = 60 degrees**- θ = 70 degrees
- none of the choices
- θ = 76 degrees

KCL stands for kirchhoff's current law.

- False
**True**

A perfect secret has composed of resistors and no source.

- Sometimes
- True
**False**

One ____________ would be to resolve a pair of forces using the parallelogram or triangle method into a resultant.

- none of the choices
- algebraic method
- logical method
**graphical method**

Microwaves is an example of Light.

- all of the above
- False
**True**

_____________ has a positive charge.

**Proton**- Electron
- Neutron

Radiowaves is not an example of light.

**False**- True
- both a and b

The purpose of capacitor in a circuit is to charges and energy.

- False
**True**

Capacitor is an electronic circuit device for temporary storage of electrical energy.

- False
**True**

Find R if V= 6 volts, I= 1 ampere.

**6**- 1.6
- 0.666

An object thrown upward with velocity will rise to a height.

- range
- free fall
- motion
**trajectory height**

Steel is one of the example of a good _________ ?

- Insulators
**Conductors**- Capacitors

In reality we are dealing with two sets of independent equations for the x and y directions and can envision the problem as a superposition of two completely independent motions that together are equivalent to the projectile motion.

- False
**True**

Circuits is consists of circuit elements and wires, the wires is called _________ ?

- Charge
**Conductors**- Resistance

A Resistor is a poor conductor ?

**yes**- No
- Good conductor

Find R total if the resistors connected in a series, The value of R1= 6, R2= 3, R4=5, R5=5, R6=6.

- 56
- 123
**25**

Capacitor is for Ohm and Resistance is for Capacitance.

**False**- True

The following are medium of light EXCEPT ONE.

- Vacuum
**seeds**- glass

___________________ has a Negative charge.

- Neutral
**Negative**- Positive

It is the rate of flow of charges.

- Capacitor
**Current**- Resistor

Resistance is measured in Ohm's.

**True**- False

The wavelength of Ultraviolet is ?

- >1m
**5-400m**- 400-700m

Symbol V can be used also as a substitute of EMF symbol.

**True**- Either a or b
- False

It is a measure of resistance of a given size of specific material to electrical conduction.

- Ohm's
- Sensitivity
**Resistivity**

The unit of Power is ?

- Current
**Watt**- HorsePower

The most common used for capacitors is ?

- Current lost
- charge force
**Energy storage**

Find I if R= 3 ohms, V= 6 volts.

- 2 volts
- 2 ohms
**2 Amperes**

The index of refraction of light in a glass is ?

**1.5**- 1
- 1.33

The symbol R stands For ?

**Resistance**- Red charge
- Resistor

Circuits is a open conducting path through charge flows.

**False**- True

In a certain non-concurrent force system it is found that summation of fx=-80lb, summation of fy=160lb and summation Mo=480lb-ft in a counterclockwise sense. Determine the point at which the resultant intersects the y-axis. NOTE: see figure 2 from the LIST OF FIGURE in Week-1

- 8 ft
- none of the choices
**6 ft**- 7 ft

If the flow of current is downward the current is considered __________________.

- stationary
**negative**- positive

The unit of current is OHM.

**False**- True

Find the total capacitance,which they are in parallel connections the values are C1=1, C2=2, C3=3.

- 5
**6**

The unit of Ampere is current.

**False**- True
- both a and b

Wires are good conductors of Electric charges.

- False
**True**

Current is measured in ?

- Volts
**Ampere**- Ohm

It is autonomous of the body’s mass.

- projectile
- free falling object
- none of the choices
**free fall**

Find V if R= 3 ohm, and I=6 ampere.

- 19
- 20
**18**

The index of refraction of water is ?

- 3
**1.33**- 1
- 133

Circuits consists of circuit element and wires, the wires are called conductors.

- False
**True**

If the current flow is counter clockwise the current is considered __________ ?

**negative**- staionary
- positive

Symbol 'V' stands for current circuit.

**False**- True

The following are kinds of Charge, EXCEPT ONE.

- Negative
**Electrons**- Positive

The effect of a certain non-concurrent force system is defined by the following data: summation of fx=90kN, summation of fy=-60kN, and summation of Mo=360kN counter clockwise. Determine the point at which the resultant intersects the x-axis. Note: see Fig 1, from the LIST OF FIGURE from week-1.

- none of the choices
**6 m**- 8 m
- 7 m

Voltmeter : Voltage ; Ammeter : ____________ ?

- ampere
**Current**- resistance

The positive charge has the sign ( - ).

- True
**False**

The unit of Power is WATTs.

- False
**True**- both a and b

The unit of Capacitor is called ?

- Capasitanse
**Capacitance**- Capasitance

KVL states that the algebraic sum of the voltage at node in a closed circuit s equal to zero.

- False
**True**

Wire ends in a metal-tipped wand called circuits.

**False**- True

The positive ad negative signs on the resistors can be neglected and it doesn't affect the result,

**False**- True

KVL states that the total ____________ around a closed loop must be Zero.

**Voltage**- Resistance
- current

The unit JOULEs is also called OHM.

- True
**False**

FIND C TOTAL IF c1=5 AND c2=10. (CONNECTED PARALLEL)

**15**- 5
- 50

When displacement is plotted against time, the result will be a _________?

- displacement
**harmonic curve**- simple pendulum
- period

A voltmeter is connected Series in a resistors to measure voltage.

**False**- True

Capacitor is a device used to store an Electric charge.

- False
**True**

A cylinder weighing 400 lb. is held against a smooth incline by means of the weightless rod AB in the figure. Determine the forces P and N exerted on the cylinder by the rod and the incline. NOTE : see fig-6 from the LIST OF FIGURE in Week-1

**P = 0.9038 N , N = 418.60 lb**- P = 9038 N , N = 4186.0 lb
- P = 90.38 N , N = 41.860 lb
- none of the choices

A voltmeter is consist of a box with two wires a positive and a negative.

- False
**True**

A close conducting Path through which charge flows.

- Wires
**Circuit**- Capacitors

We used the symbol "EF" to represent electric field.

- True
**False**

Volts is the unit for current.

- True
**False**

Paper is one of the example of conductors.

- True
**False**

The example of a good Conductor is Aluminum.

- False
**True**

The resistance R, in the expression V = IR is a ____________.

- stable
**Constant**- Zero

________________ is defined as the forces which lies in the line of activity but do not intersect or forms a parallel at a common point.

- Parallel Forces
**Non-Concurrent Forces**- none of the choices
- Forces

It is the material that permits an electric current to flow.

- Circuit
- Wires
**Conductors**

The following are examples of Conductors EXCEPT ONE.

- Coin
**Rubber**- Steel

The wavelength of X rays are ?

- 5-400 nm
- both a and b
**.006-5 nm**

The index of refraction of vacuum is ?

**1**- 2
- 3

Coulomb's Law stating that charges repel and opposite charges attract.

- False
**True**

KVL stands for ?

**Kirchhoff's Voltage Law**- Kirchhoff's Voltage rules
- Ohm's Law

Find I if V= 3, and R=4.

- 12
**0.75**- 1.5

Forces P and F acting along the bars shown in the figure maintain equilibrium of pin A. Determine the values of P. NOTE : see fig-14 from the LIST OF FIGURE in Week1

- none of the choices
- P = 4.76 kN
- P = 14.76 kN
**P = -14.76 kN**

Positive : Negative ; Conductors : Rubber

- True
**False**- Both a and b

Ammeter is used to measure Current.

**False**- True

A circuit cannot functions without a source.

- False
**True**

The symbol "q1" stands for charge of particle 1.

**True**- False

A circuit has always a Ground.

**True**- False

The ammeter and a voltmeter is very useful in a circuit.

- Both a and B
- False
**True**

Magnetic Field is an invisible entity which exists in the region around a charged particle.

- True
**False**

The unit of POWER is __________?

- Kilowatt
- Watt
- all of the above

___________________ may also referred to as the specific electrical resistance.

- Resistors
- Voltage
- Resistivity

The negative sign can be found also in an electron,

**True**- False

Find R if V=10 and I=2.

**5ohm**- 5volts
- 5ampere

Conductors is a material that permits an electric current to flow easily.

**True**- False

EMF stands for electromotive force

- False
**True**

Light cannot be travel if there is no medium.

- False
- Both a and b
**True**

The maximum value of the sine function.

- 3 or three
**1 or one**- 2 or two
- 4 or four

OHM's Law stating that electric current is proportional to voltage and inversely proportional to ___________.

- flow of current
**Resistance**- charge

The symbol "v" stands for ?

- index of refraction
- Speed of light
**speed of light in a transparent medium**

Conductors consists of a ___________ amount of positive charge.

- Low
**huge**- Neutral

Circuit is a closed conducting path through with charge flow.

**True**- False

Ampere is the unit of Voltage in a certain current.

**False**- True

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