Quiz on PN Junctions and Diodes

Quiz on PN Junctions and Diodes

University

15 Qs

quiz-placeholder

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Quiz on PN Junctions and Diodes

Quiz on PN Junctions and Diodes

Assessment

Quiz

Other

University

Hard

Created by

Bhavya R

Used 2+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What forms the depletion region in a PN junction?

Excess electrons and holes

A region of immobile ions

Conducting carriers

None of the above

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a PN junction at equilibrium, the electric field in the depletion region:

Points from the P-side to the N-side

Points from the N-side to the P-side

Is zero

Oscillates periodically

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the width of the depletion region when the PN junction is forward biased?

Increases

Decreases

Remains the same

Vanishes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In reverse bias, the current through the PN junction is mainly due to:

Majority carriers

Minority carriers

Depletion region ions

Electrons only

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a PN junction, majority carriers on the N-side are:

Holes

Electrons

Ions

Both electrons and holes

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary effect of forward biasing a PN junction?

Increases the width of the depletion region

Reduces the barrier potential

Increases resistance across the junction

Creates an open circuit

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of current flows in a PN junction under forward bias?

Drift current

Diffusion current

Reverse current

Leakage current

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