Electronic Devices and Circuits MCQs with answers Page - 3

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Q. Junction Field Effect Transistors (JFET) contain how many diodes?

  • (A) 4
  • (B) 3
  • (C) 2
  • (D) 1

A

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Q. When not in use, MOSFET pins are kept at the same potential through the use of:

  • (A) shipping foil
  • (B) nonconductive foam
  • (C) conductive foam
  • (D) a wrist strap

A

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Q. A MOSFET has how many terminals?

  • (A) 2 or 3
  • (B) 3
  • (C) 4
  • (D) 3 or 4

A

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Q. A very simple bias for a D-MOSFET is called:

  • (A) self biasing
  • (B) gate biasing
  • (C) zero biasing
  • (D) voltage- divider biasing

A

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Q. Hybrid means

  • (A) mixed
  • (B) single
  • (C) biunique
  • (D) none of the above

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Q. There are h- parameters of a transistor.

  • (A) two
  • (B) four
  • (C) three
  • (D) none of the above

A

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Q. The h- parameter approach gives correct results for

  • (A) large signals only
  • (B) small signals only
  • (C) both small and large signals
  • (D) none of the above

A

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Q. If the operating point changes, the h-parameters of transistor

  • (A) also change
  • (B) do not change
  • (C) may or may not change
  • (D) none of above

A

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Q. The dc load line on a family of collector characteristic curves of a transistor shows the

  • (A) saturation region.
  • (B) cutoff region.
  • (C) active region.
  • (D) all of the above

A

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Q. The value of βDC

  • (A) is fixed for any particular transistor.
  • (B) varies with temperature.
  • (C) varies with ic.
  • (D) varies with temperature and ic.

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