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Analog Electronics

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

 1-3 ev
 10-15 ev
 0 ev
 14-15 ev

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Analog Electronics
The extremely high input impedance of a MOSFET is primarily due to the

  absence of its channel.
  extremely small leakage electric current of its gate capacitor.
  negative gate-source voltage.
  depletion of electric current carriers.

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Analog Electronics
Base-10 system is also called as

 Tenth system
 Decimal system
 Binary system
 Decinary system

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Analog Electronics
The β of a transistor may be determined directly from the curve plotted between

  VCE and IE for constant IB.
  VCE and IC for constant IB.
  VBE and IE for constant VCE.
  VCE and IC for constant IE.

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Analog Electronics
The input voltage to an emitter follower is usually

  less than the generator voltage.
 equal to the generator voltage.
 equal to the supply voltage.
 greater than the generator voltage.

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Analog Electronics
The opamp can amplify

  neither AC not DC signals.
  both AC and DC signals.
  AC signals only.
  DC signals only.

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