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Electrical Engineering Mcqs

Operating point represents__________________?

August 12, 2021December 24, 2018 by admin
Operating point represents__________________?

A. Values of IC and VCE when signal is applied
B. The magnitude of signal
C. Zero signal values of IC and VCE
D. None of the above

Categories Electrical Engineering Mcqs, Transistor Biasing

Transistor biasing represents ______________ conditions?

August 12, 2021December 24, 2018 by admin
Transistor biasing represents ______________ conditions?

A. a.c
B. d.c
C. both a.c. and d.c
D. none of the above

Categories Electrical Engineering Mcqs, Transistor Biasing

For proper operation of the transistor, its collector should have___________________?

August 12, 2021December 24, 2018 by admin
For proper operation of the transistor, its collector should have___________________?

A. Proper forward bias
B. Proper reverse bias
C. Very small size
D. None of the above

Categories Electrical Engineering Mcqs, Transistor Biasing

If biasing is not done in an amplifier circuit, it results in________________?

August 12, 2021December 24, 2018 by admin
If biasing is not done in an amplifier circuit, it results in________________?

A. Decrease in the base current
B. Unfaithful amplification
C. Excessive collector bias
D. None of the above

Categories Electrical Engineering Mcqs, Transistor Biasing

At absolute temperature, an intrinsic semiconductor has________________?

August 12, 2021December 24, 2018 by admin
At absolute temperature, an intrinsic semiconductor has________________?

A. A few free electrons
B. Many holes
C. Many free electrons
D. No holes or free electrons

Categories Electrical Engineering Mcqs, Semiconductor Theory

A reverse biased pn junction has resistance of the order of________________?

August 12, 2021December 24, 2018 by admin
A reverse biased pn junction has resistance of the order of________________?

A. O
B. kO
C. MO
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

A reverse bias pn junction has_____________?

August 12, 2021December 24, 2018 by admin
A reverse bias pn junction has_____________?

A. Very narrow depletion layer
B. Almost no current
C. Very low resistance
D. Large current flow

Categories Electrical Engineering Mcqs, Semiconductor Theory

The barrier voltage at a pn junction for germanium is about________________?

November 28, 2021December 24, 2018 by admin
The barrier voltage at a pn junction for germanium is about________________?A. 5 V
B. 3 V
C. Zero
D. 0.3 V

 

Categories Electrical Engineering Mcqs, Semiconductor Theory

The random motion of holes and free electrons due to thermal agitation is called______________?

August 12, 2021December 24, 2018 by admin
The random motion of holes and free electrons due to thermal agitation is called______________?

A. Diffusion
B. Pressure
C. Ionisation
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

A hole and electron in close proximity would tend to________________?

August 12, 2021December 24, 2018 by admin
A hole and electron in close proximity would tend to________________?

A. Repel each other
B. Attract each other
C. Have no effect on each other
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory
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