Semiconductor Diode MCQs

Option A: forward

Option B: reverse

Option C: both forward and reverse

Option D: none of the above

Correct Answer: reverse ✔

Option A: 400/√2 V

Option B: 400 V

Option C: 400 x √2 V

Option D: none of the above

Correct Answer: 400 V ✔

Option A: half-wave rectifier

Option B: centre-tap full-wave rectifier

Option C: bridge full-wave rectifier

Option D: none of the above

Correct Answer: centre-tap full-wave rectifier ✔

Option A: components are expensive

Option B: diodes must have a higher power rating

Option C: output is difficult to filter

Option D: none of the above

Correct Answer: output is difficult to filter ✔

Option A: undefined

Option B: sharp

Option C: zero

Option D: none of the above

Correct Answer: sharp ✔

Option A: properly reverse bias the zener

Option B: protect the zener

Option C: properly forward bias the zener

Option D: none of the above

Correct Answer: protect the zener ✔

Option A: constant voltage

Option B: constant current

Option C: constant resistance

Option D: none of the above

Correct Answer: constant voltage ✔

Option A: a non-linear

Option B: a linear

Option C: an amplifying

Option D: none of the above

Correct Answer: a non-linear ✔

Option A: lighting purposes

Option B: heaters

Option C: using in electronic equipment

Option D: none of the above

Correct Answer: using in electronic equipment ✔

Option A: 2

Option B: 1.21

Option C: 2.5

Option D: 0.48

Correct Answer: 0.48 ✔

Option A: 40.6 %

Option B: 81.2 %

Option C: 50 %

Option D: 25 %

Correct Answer: 40.6 % ✔

Option A: twice

Option B: thrice

Option C: four time

Option D: one-half

Correct Answer: one-half ✔

Option A: 27.5 V

Option B: 86.5 V

Option C: 30 V

Option D: 42.5 V

Correct Answer: 42.5 V ✔

Option A: choke input

Option B: capacitor input

Option C: resistance input

Option D: none of the above

Correct Answer: choke input ✔

Option A: paper capacitor

Option B: air capacitor

Option C: mica capacitor

Option D: electrolytic capacitor

Correct Answer: paper capacitor ✔

Option A: the diode conducts poorly

Option B: the diode is destroyed

Option C: the diode behaves like a zener diode

Option D: none of the above

Correct Answer: the diode is destroyed ✔

Option A: half-wave rectifier

Option B: centre-tap full-wave rectifier

Option C: bridge full-wave rectifier

Option D: none of the above

Correct Answer: bridge full-wave rectifier ✔

Option A: one-half

Option B: the same as

Option C: twice

Option D: four times

Correct Answer: one-half ✔

Option A: paper capacitor

Option B: mica capacitor

Option C: electrolytic capacitor

Option D: air capacitor

Correct Answer: electrolytic capacitor ✔

Option A: solid state

Option B: vacuum tube

Option C: gas tube

Option D: none of the above

Correct Answer: solid state ✔

Option A: is forward biased

Option B: is reverse biased

Option C: carrier more than rated current

Option D: none of the above

Correct Answer: carrier more than rated current ✔

Option A: the same as

Option B: less than

Option C: more than

Option D: none of the above

Correct Answer: more than ✔

Option A: forward characteristic

Option B: doping level

Option C: reverse characteristic

Option D: PIC rating

Correct Answer: PIC rating ✔

Option A: reverse

Option B: forward

Option C: either reverse or forward

Option D: none of the above

Correct Answer: reverse ✔

Option A: one pn junction

Option B: two pn junctions

Option C: three pn junctions

Option D: none of the above

Correct Answer: one pn junction ✔

Option A: reverse

Option B: forward

Option C: forward or reverse

Option D: none of the above

Correct Answer: forward ✔

Option A: an amplifier

Option B: a voltage regulator

Option C: a rectifier

Option D: a multivibrator

Correct Answer: a voltage regulator ✔

Option A: applied voltage

Option B: breakdown voltage

Option C: forward voltage

Option D: barrier potential

Correct Answer: barrier potential ✔

Option A: forward

Option B: inverse

Option C: poor

Option D: reverse

Correct Answer: forward ✔

Option A: remains the same

Option B: decreases

Option C: increases

Option D: becomes zero

Correct Answer: increases ✔

Option A: remains the same

Option B: is increased

Option C: is decreased

Option D: none of the above

Correct Answer: is decreased ✔

Option A: 1 : 1

Option B: 100 : 1

Option C: 1000 : 1

Option D: 40,000 : 1

Correct Answer: 40,000 : 1 ✔

Option A: kΩ

Option B: Ω

Option C: MΩ

Option D: none of the above

Correct Answer: Ω ✔

Option A: an amplifier

Option B: a rectifier

Option C: an oscillator

Option D: a voltage regulator

Correct Answer: a rectifier ✔

Option A: forward

Option B: reverse

Option C: either forward or reverse

Option D: none of the above

Correct Answer: forward ✔

Option A: the same as

Option B: more than

Option C: less than

Option D: none of the above

Correct Answer: less than ✔

Option A: 2.5 V

Option B: 3 V

Option C: 10 V

Option D: 0.7 V

Correct Answer: 0.7 V ✔

Option A: one pn junction

Option B: two pn junctions

Option C: three pn junctions

Option D: none of the above

Correct Answer: one pn junction ✔

Option A: remains the same

Option B: is decreased

Option C: in increased

Option D: none of the above

Correct Answer: in increased ✔

Option A: non-linear

Option B: bilateral

Option C: linear

Option D: none of the above

Correct Answer: non-linear ✔

Option A: linear

Option B: active

Option C: nonlinear

Option D: passive

Correct Answer: linear ✔

Option A: the same as

Option B: lower than

Option C: more than

Option D: none of the above

Correct Answer: lower than ✔

Option A: minority carriers

Option B: majority carriers

Option C: junction capacitance

Option D: none of the above

Correct Answer: minority carriers ✔

Option A: kA

Option B: mA

Option C: μA

Option D: A

Correct Answer: μA ✔