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Analog Electronics

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

 0 ev
 10-15 ev
 1-3 ev
 14-15 ev

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Analog Electronics
The power dissipated by a transistor approximately equals the collector current times

 0.7 V.
 base supply voltage.
 base - emitter voltage.
  collector - emitter voltage.

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Analog Electronics
A differential amplifier is invariably used in the i/p stage of all OP-amps.This is dome basically to provide the OP-amps with a very high

Slew rate
Open-loop gain
CMRR
Bandwidth

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Analog Electronics
The output voltage of an emitter follower is across the

  load resistor.
 emitter diode.
 DC collector resistor.
 emitter diode and external AC emitter resistance.

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Analog Electronics
The AC base voltage of an emitter follower is across the

 emitter diode.
 load resistor.
 DC emitter resistor.
  emitter diode and external AC emitter resistance.

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Analog Electronics
A JFET can operate in

  depletion and enhancement mode only.
  depletion mode only.
  none of these.
  enhancement mode only.

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