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Electrical Engineering Mcqs

The battery connections required to forward bias a pn junction are_________________?

August 12, 2021December 24, 2018 by admin
The battery connections required to forward bias a pn junction are_________________?

A. +ve terminal to p and –ve terminal to n
B. -ve terminal to p and +ve terminal to n
C. -ve terminal to p and –ve terminal to n
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

In the depletion region of a pn junction, there is a shortage of_________________?

August 12, 2021December 24, 2018 by admin
In the depletion region of a pn junction, there is a shortage of_________________?

A. Acceptor ions
B. Holes and electrons
C. Donor ions
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

A pn junction acts as a__________________?

August 12, 2021December 24, 2018 by admin
A pn junction acts as a__________________?

A. Controlled switch
B. Bidirectional switch
C. Unidirectional switch
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

In an intrinsic semiconductor, the number of free electrons_____________?

August 12, 2021December 24, 2018 by admin
In an intrinsic semiconductor, the number of free electrons_____________?

A. Equals the number of holes
B. Is greater than the number of holes
C. Is less than the number of holes
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on_________________?

August 12, 2021December 24, 2018 by admin
When the temperature of an extrinsic semiconductor is increased, the pronounced effect is on_________________?

A. Junction capacitance
B. Minority carriers
C. Majority carriers
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

The leakage current in a pn junction is of the order of________________?

August 12, 2021December 24, 2018 by admin
The leakage current in a pn junction is of the order of________________?

A. Aa
B. mA
C. kA
D. µA

Categories Electrical Engineering Mcqs, Semiconductor Theory

The leakage current across a pn junction is due to________________?

August 12, 2021December 24, 2018 by admin
The leakage current across a pn junction is due to________________?

A. Minority carriers
B. Majority carriers
C. Junction capacitance
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

With forward bias to a pn junction , the width of depletion layer__________________?

August 12, 2021December 24, 2018 by admin
With forward bias to a pn junction , the width of depletion layer__________________?

A. Decreases
B. Increases
C. Remains the same
D. None of the above

Categories Electrical Engineering Mcqs, Semiconductor Theory

At room temperature, an intrinsic semiconductor has_______________?

August 12, 2021December 24, 2018 by admin
At room temperature, an intrinsic semiconductor has_______________?

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

Categories Electrical Engineering Mcqs, Semiconductor Theory

At room temperature, an intrinsic silicon crystal acts approximately as_______________?

August 12, 2021December 24, 2018 by admin
At room temperature, an intrinsic silicon crystal acts approximately as_______________?

A. A battery
B. A conductor
C. An insulator
D. A piece of copper wire

Categories Electrical Engineering Mcqs, Semiconductor Theory
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