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Power Diodes MCQ Questions And Answers - Power Electronics

Power Diodes MCQs : This section focuses on the "Power Diodes" in Power Electronics. These Multiple Choice Questions (MCQs) should be practiced to improve the Power Electronics skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

A ___________ is a type of diode that is commonly used in power electronics circuits

A. power transistors
B. diode circuit
C. power diode
D. gating circuits

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Question 2

A power diode has _______________.

A. one-terminal
B. two-terminals
C. three-terminal
D. four-terminal

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Question 3

Diodes are the simplest semiconductor device having only two layers, two terminals, and one junction.

C. Can be true or false
D. Can not say

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Question 4

The ordinary signal diodes have a junction formed by p type semiconductor and n type semiconductor, the lead joining p-type is called the?

A. Node
B. Anode
C. Cathod
D. None of the above

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Question 5

The thickness of the space charge region ____________ with a ______________ in doping concentration.

A. increases, increases
B. decrease, increases
C. decrease, decrease
D. increases, decrease

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Question 6

An ideal power diode must have

A. low forward current carrying capacity
B. large reverse breakdown voltage
C. high ohmic junction resistance
D. high reverse recovery time

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Question 7

The V-I Characteristics of the diode lie in the

A. 1st & 3rd quadrant
B. 1st and 2nd quadrant
C. 2nd & 3rd quadrant
D. Only in the 1st quadrant

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Question 8

If V & I are the forward voltage & current respectively, then the power loss across the diode would be?

A. V + I
B. V - I
C. V * I
D. V / I

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Question 9

In the equilibrium state the barrier, potential across a unbiased germanium diode is __________

A. 0.8 V
B. 0.5 V
C. 0.9 V
D. 0.3 V

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Question 10

Power diodes are also similar to regular diodes.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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