Diodes & Transistor Quiz
Authored by Melvin Bascones
Instructional Technology
University
Used 9+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a diode is forward biased?
The diode becomes a conductor and allows the current to flow
The diode becomes an insulator and the current doesn’t flow
The diode emits visible light
The diode produces coherent light
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a diode is reverse biased?
The diode becomes a conductor and allows the current to flow
The diode becomes an insulator and the current doesn’t flow
The diode emits visible light
The diode produces coherent light
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a rectifier diode?
To change Alternating Current (AC) to Direct Current (DC)
To recover audio from a radio signal
To conduct damaging high voltages away from sensitive electronic devices
To produce Microwave RF signal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is formed by introducing a thin region of N-type material between two regions of P-type material.
PNP
NPN
PPNN
NNPP
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a crystal diode in radio demodulation?
To change Alternating Current (AC) to Direct Current (DC)
To recover audio from a radio signal
To conduct damaging high voltages away from sensitive electronic devices
To produce Microwave RF signal
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a varicap/varactor diode?
To change Alternating Current (AC) to Direct Current (DC)
To recover audio from a radio signal
To conduct damaging high voltages away from sensitive electronic devices
To enable tunable oscillators in radios
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a zener diode?
To change Alternating Current (AC) to Direct Current (DC)
To recover audio from a radio signal
To conduct damaging high voltages away from sensitive electronic devices
To withstand current that flows when the peak inverse voltage is reached or exceeded
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