Semiconductor Diode MCQs

Q. If the arrow of crystal diode symbol is positive with respect to bar, then diode is ___________ biased.

  1. forward
  2. reverse
  3. either forward or reverse
  4. none of the above
Answer
(a)

Q. In the breakdown region, a zener diode behaves like a ___________ source.

  1. constant voltage
  2. constant current
  3. constant resistance
  4. none of the above
Answer
(a)

Q. When the crystal current diode current is large, the bias is ___________

  1. forward
  2. inverse
  3. poor
  4. reverse
Answer
(a)

Q. If the temperature of a crystal diode increases, then leakage current ___________

  1. remains the same
  2. decreases
  3. increases
  4. becomes zero
Answer
(c)

Q. The d.c. resistance of a crystal diode is ___________ its a.c. resistance

  1. the same as
  2. more than
  3. less than
  4. none of the above
Answer
(c)
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