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
Question 2
During reverse bias, the PIN diode acts as _______
A. Variable resistor
B. Switch
C. Variable capacitor
D. LED
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
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
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
Question 6
The applications for PIN diode are __________
A. Microwave switch
B. LED
C. Voltage regulator
D. Amplifier
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
Question 8
What happens in PIN diode for low frequency model?
A. reactance decreases
B. conductance increases
C. resistance increases
D. reactance increases
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
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