Ctrl + F is the shortcut in your browser or operating system that allows you to find words or questions quickly.
Ctrl + Tab to move to the next tab to the right and Ctrl + Shift + Tab to move to the next tab to the left.
On a phone or tablet, tap the menu icon in the upper-right corner of the window; Select "Find in Page" to search a question.
Share UsSharing is Caring
It's the biggest motivation to help us to make the site better by sharing this to your friends or classmates.
Provides training on troubleshooting and maintaining electronic systems used in industrial settings, ensuring smooth operations and minimizing downtime.
DC average current of a half wave rectifier output is ___________
These are materials that have no current carrying capacity.
Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is
Which of the following gate is a two-level logic gate
A half-wave rectifier is used to supply 50V d.c. to a resistive load of 800 Ω. The diode has a resistance of 25 Ω. Calculate a.c. voltage required.
According to this law, the sum of voltages on a closed loop is equal to zero.
The number of Boolean functions that can be generated by n variables is equal to
A semiconductor doped with a pentavalent impurity element which has five electrons in its valence shell.
DC power output of half wave rectifier is equal to ____________
Frequency of oscillation of the device is equal to the reciprocal of the total period in _____________.
In case of OR gate, no matter what the number of inputs, a
It is installed in many systems throughout the aircraft including navigation systems, flight control systems, environmental control systems, and others.
An electronic system used to facilitate the maintenance of modern aircraft.
An AND gate will function as OR if
Which of the following is not true about semiconductors?
Consider the representation of six-bit numbers by two’s complement, one’s complement, or by sign and magnitude: In which representation is there overflow from the addition of the integers 011000 and 011000?
Electronics is the branch of physics and technology concerned with the design of circuits using _____and microchips, and with the behavior and movement of electrons in a semiconductor, conductor, vacuum, or gas.
Most of the digital computers do not have floating point hardware because
For a UJT, RB1 may vary from 5kΩ down to 50Ω for a corresponding change of IE from 50 mA to 0 mA.
Choose 1 subsystem of Onboard Maintenance System
NSS stands for?
In a silicon bilateral switch, gate terminal can be used to turn off the device.
Potential barrier of a Silicon.
The number 1000 would appear just immediately after
A silicon diode displays a forward voltage of .25V at 10mA current at 300 Kelvin. Find the reverse saturation current. (in micro Ampere) *no need to include the unit. 3 decimal places only.
A career in electronics where he works in one or more areas of power-generating equipment, power-transmitting equipment, electric motors, machinery control, and lighting and wiring installation.
CMC stands for?
The structure of UJT is very much similar to an N-channel JFET.
Examples of Semiconductor.
The purpose of adding impurity in the semiconductor crystal is to increase the number of free electrons or holes to make it __________
The ripple factor of a half wave rectifier is ______
Determine the current in the given circuit.
A debouncing circuit is
Given the circuit above, determine the value of Vo. Assume that GaAs has a potential barrier of 1.2V.
The main function of this additional electrode is to prevent electrons from bouncing back to the plate and to lessen the occurrence of secondary emission.
In PUT, the term programmable is applied because RBB, η, and VP as defined for the UJT can be controlled through the internal resistors RB1, RB2, and the supply voltage VBB.
The current in a reverse biased PN junction ______
Positive logic in a logic circuit is one in which
Storage of 1 KB means the following number of bytes
In a PUT, the cathode can be biased to a desired voltage with an external voltage divider, so that when the anode voltage exceeds this “programmed” level, the PUT turns on.
Give at least 5 various branches in electronics.
Mobile phone chargers are used to charge phone batteries by plugging it to AC power outlets. What type of semiconductor application is employed in the process?
Which is the determining factor for triggering of SUS and SBS?
What happens when a p-n junction is forward biased?
Which of the following is required in determining the charging period of a unijunction transistor?
Positive Temperature Coefficient means
The datasheet of a certain UJT with a silicon diode gives an intrinsic standoff ratio of 0.5, determine the peak point emitter voltage if the supply is 15V.
Semiconductors in which intentionally impurities are added for making it conductive.
Which of the following offers good temperature stability?
Addition of pentavalent impurity to a semiconductor creates _____.
A career in electronics where he maintains controllers, assembly equipment, copying machines, robots, and other automated or computerized devices.
In the energy band phenomenon, at absolute zero temperature, the valence band is ____________.
A hexadecimal odometer displays F 52 F. The next reading will be
A NAND gate is called a universal logic element because
A UJT is operated with gate junction forward- biased while the JFET is normally operated with the emitter junction reverse-biased.
Which of the following does not belong to the group.
The device which controls the flow of electrons is called _______ device. These devices are the main building blocks of electronic circuits.
What type of impurities produce n-type semiconductor?
These type of semiconductors are in their purest form by nature of their existence.
Digital computers are more widely used as compared to analog computers, because they are
Majority Carrier in a P-type Semiconductor.
Determine the peak load voltage of the circuit. Assume that the circuit is not ideal.
These are materials that have excellent current carrying capacity.
Why do we add impurities on semiconductor materials?
System that provide links to the applicable electronic maintenance documentation.
In a forward bias condition, when the applied voltage is more than the potential barrier of this PN junction the resistance that is offered by the depletion region negligible.
Common rating of Silicon Unilateral Switch and Silicon Bilateral Switch
In which of the following base systems is 123 not a valid number?
Interbase resistance of a UJT is the resistance between emitter and pn junction when the emitter current is zero.
In a forward bias condition, further increase in the external applied voltage will increase the size of the depletion region.
Which of the following elements doesn't belong to the group?
-The word electronics is derived from ______ mechanics, which means to study the behavior of an electron under different conditions of applied electric field.
These are a special class of elements having a conductivity between that of a good conductor and that of an insulator.
Why Si diodes are more preferred in the manufacture of semiconductor devices?
(10101)2 is
One application of UJT is it can amplify signal similar to conventional BJTs and FETs.
Equivalent Circuit of a Unijunction Transistor
Determine Vo1 and Vo2 in the given circuit.
Diode that is always connected in reverse bias condition.
When a pure semiconductor is heated, what happens to its resistance?
These are materials that are bad conductors of current and not allow the flow of current through them as they do not have current carrying capacity.
These are materials that have a conductivity between a good conductor and an insulator.
What is the ambient room temperature for electronic devices?
It is the main processing unit for an on board maintenance system.
A reverse-biased silicon diode has about 0.7 V across it
The information from BITE are sent to the?
What is the resistor value of an ideal diode in the region of conduction?
Determine the dc load voltage in the given circuit. Assume the circuit to be ideal.
Being a learner in Electronics 10, which of the seven career in Electronics you will choose? Explain in 3 to 5 sentence paragraph.
The width of the depletion layer in a PN junction in forward bias condition _______________
The application of external voltage across the two terminals.
Defined as a type of extrinsic semiconductor doped with a trivalent impurity element which has three electrons in its valence shell.
What is formed when an n-type and a p-type semiconductor are fused together?
What do you call for the gaps left behind by electrons as they are liberated from their respected orbits?
Indicate which of the following three binary additions are correct?1.1011 + 1010 = 10101II. 1010 + 1101 = 10111III. 1010 + 1101 = 11111
OMS stands for?
Subject code for Aircraft Maintenance Computer System?
The fan put of a 7400 NAND gate is
You have an unknown type of diode in a circuit. You measure the voltage across it and find it to be 0.3 V. The diode might be?
It is the process by which an impurity is added to a semiconductor.
A zener diode has ______ pn junction/s.
The efficiency of a half-wave rectifier is _______
These are materials that have excellent current carrying capacity or allow good flow of current through them.
The motion of electrons through a _______ gives us electric current.
Which of the following does not belong to the group?
What type of electron emission is employed on vacuum tubes?
If the arrow of crystal diode symbol is positive with respect to the bar, the the diode is in what condition?
The most commonly used semiconductor is _______
Avalanche breakdown is a condition in which a diode __________.
Outputs from the CMC are provided in the form of?
When a PN junction is connected to any external bias, it is considered in thermal equilibrium condition.
A diode conducts current under normal conditions when it is _________
In the energy band phenomenon, at absolute zero temperature, the conduction band is ____________.
The forward voltage drop across a germanium diode is _____.
What is the octal equivalent of the binary number:10111101
A low power, low current device.
The state of an ideal diode in the region of non conduction is ________
In the energy band phenomenon, with the increase in temperature, the resistivity of the material _______ and the conductivity ___________.
In a semiconductor, the conduction of current is due to _______
UJT in terms of junction's location is not symmetrical.
It is the maximum amount of voltage the diode can withstand in reverse bias mode on a continual basis.
Which of the following electronic components was invented by Shockley, Bardeen and Brattain?
The silicon bilateral switch has the ability to provide positive and negative cycles.
Which in the career in electronics where he/she is responsible to installs, maintains, and repairs computer equipment and systems?
An OR gate has 6 inputs. The number of input words in its truth table are
UJT has a unique characteristics that when it is triggered, the emitter current increases regeneratively until it is limited by emitter power supply.
The main advantage of UJT is that it offers negative resistance characteristics.
One application of a half wave rectifier is __________
BITE stands for?
What is the lightest subatomic particle?
What is formed when a dielectric is placed between two parallel conductors?
If a diode is forward biased,
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bitsynchronous counter is
Diode vacuum tube was the first electronic component invented by _________
According to Shockley's equation, how can we determine the thermal voltage?
For an ideal UJT, the emitter firing potential is equivalent to the intrinsic stand-off ratio multiplied by the supply voltage.
The binary code of (21.125)10 is
NAND. gates are preferred over others because these
Describe the different advantages of electronics.
These are semiconductors in which intentionally impurities are added to make the element conductive.
Pick out the CORRECT statement:
Determine the current (I) in the given circuit.
Excess-3 code is known as
Calculate the power dissipation of a diode having ID = 40 mA.
Defined as a type of extrinsic semiconductor doped with a pentavalent impurity element which has five electrons in its valence shell.
How old am I? (type number only)
A 5:1 transformer is connected to a half wave rectifier circuit with a 50k ohms load. Compute for the DC current if the input peak voltage is 220V.
Which of the following is not a three terminal device?
Who among in 1959 from Texas Instruments developed the first integrated circuits?
In a reverse bias condition, the depletion region offers more resistance to these majority carriers.
Once Programmable Unijunction Transistor is in the on state, the removal of gate voltage will turn the device off.
Determine RB1 (in ohms) for a silicon PUT if it is determined that η = 0.5, Peak Voltage= 12.3 V and RB2= 1k ohms. (type in the value of the correct answer ONLY)
Determine the supply voltage for a silicon PUT if it is determined that η = 0.5, Peak Voltage= 12.3 V. (use the correct unit)
To keep up this site, we need your assistance. A little gift will help us alot.
Donate- The more you give the more you receive.
Related SubjectAir Conditioning and Refrigeration Service
Software Development
Refrigeration Service
Maintenance Technology
Computer Support Technician
System Analysis Design and Development
Property Management System
Information Systems Operations and Maintenance
Software Engineering 2
Programmable Logic Controller
Marketing Management
Mechatronics
Electronics Engineering Technology
Electronics: Electronic Devices and Circuits
Barber Shop Business Plans
Kitchen Essentials and Basic Food Preparation
Driver Device
Network Administration
Data Communications and Networking
Data Communications and Networking 3
Fundamentals of Mixed Signals and Sensors
Quality Assurance Testing
Configuration Management
Manufacturing Technology
Engineering
Computer Numerical Control
Computer-Aided Design
Unified Functional Testing
Computer Aided Drawing
Application Development and Emerging Technology
Cost Accounting and Control System
Intrusion Detection System
Computer Science
Shopee Helmet
Shopee 3D Floor
Lazada Smart TV Box