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PIN Diode & Characteristics MCQ Questions & Answers

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




Question 1

During forward bias, the PIN diode acts as _______

A. a variable resistor
B. a variable capacitor
C. a switch
D. an LED

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Question 2

During reverse bias, the PIN diode acts as _______

A. Variable resistor
B. Switch
C. Variable capacitor
D. LED

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Question 3

In high frequency model, the values of resistance ‘R’ and capacitance ‘C’ are _______

A. 0.1 to 10KΩ and 0.02 to 2pF respectively
B. 1 to 10KΩ and 0.02 to 2pF respectively
C. 10 to 100KΩ and 0.02 to 2pF respectively
D. 0.1 to 10KΩ and 2 to 20pF respectively

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Question 4

In the application of frequency models, the value of forward current is _____

A. IF = A(µPP + µNN)q
B. IF = A(µPN + µNP)q
C. IF = A(µPP – µNN)q
D. IF = A(µPN – µNP)q

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Question 5

PIN diode is a photosensitive diode because of _______

A. large current flow in p and n region
B. depletion layer increases giving a larger surface area
C. stronger covalent bonds
D. low carrier storage

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Question 6

The applications for PIN diode are __________

A. Microwave switch
B. LED
C. Voltage regulator
D. Amplifier

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Question 7

The forward resistance for a PIN diode is given by ________

A. RF = W/σP
B. RF = W/σN
C. RF = WσP
D. RF = WσN

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Question 8

What happens in PIN diode for low frequency model?

A. reactance decreases
B. conductance increases
C. resistance increases
D. reactance increases

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Question 9

When the p and n regions are used for high resistivity, the depletion region at the respective places is called _________

A. Q and ϒ regions
B. ϒ and π regions
C. Q and π regions
D. π and ϒ regions

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Question 10

Which of the following is true about a PIN diode?

A. it’s photosensitive in reverse bias
B. it offers low resistance and low capacitance
C. it has a decreased reversed breakdown voltage
D. carrier storage is low

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