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Technical quize

Authored by megha vakani

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University

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Technical quize
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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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