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Analog Electronics

Analog Electronics
What is the range of energy band gap of semiconductors ?

 1-3 ev
 0 ev
 10-15 ev
 14-15 ev

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Analog Electronics
Which of these is the best description of a zener diode?

  It is a rectifier diode.
  It works in the forward region.
  It is a constant electric current device.
  It is a constant voltage device.

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Analog Electronics
In a transistor leakage current mainly depends on

Doping of base
Rating of transistor
Size of emitter
Temperature

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Analog Electronics
In MOSFET devices the N-channel type is better the P-channel type in the following respects

  it is faster.
  it has better noise immunity.
  it has better drive capability.
  it is TTL compatible.

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Analog Electronics
Which of the following is a semiconductors material ?

 All the above
 Ge
 Si
 GaAs

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Analog Electronics
N-type extrinsic semiconductor is obtained by adding

 trivalent impurity
All of these
 tetravalent impurity
 pentavalent impurity

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