
Technical quize

Quiz
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Other
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University
•
Hard
megha vakani
Used 1+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a diode?
To resist current
To allow current to flow in one direction
To store energy
To amplify signals
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the magnitude of forbidden energy gap of silicon at absolute zero temperature?
0.72eV
0.78eV
1.21eV
none of these
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a base current of 10 μA, what is the value of collector current in common emitter if βdc = 100
10 μA
100 μA
1 mA
10 mA
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
A half wave diode circuit using ideal diode has an input voltage 20 sin ωt volts. Then average and rms values of output voltage are
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The Schottky diode is used
in high-power circuits
n circuits requiring negative resistance.
in very fast-switching circuits
in power supply rectifiers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When transistors are used in digital circuits they usually operate in the:
active region
breakdown region
saturation and cutoff regions
linear region
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
With the positive probe on an NPN base, an ohmmeter reading between the other transistor terminals should be:
open
infinite
low resistance
high resistance
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