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Analog Electronics

Analog Electronics
The majority carrier in P-type extrinsic semiconductor material is

None of these
 Both Holes and Electrons
 Electrons
 Holes

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Analog Electronics
The input stage of an op amp is usually a

  CE amplifier.
  differential amp.
  class B push-pull amplifier.
  swamped amplifier.

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Analog Electronics
MOSFET uses the electric field of

  gate capacitance to control the channel current.
  both (A) and (B).
  barrier potential of p-n junction to control the channel current.
  none of these.

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

A unity gain inverting amplifier
An inverting amplifier with a gain of 10
An inverting amplifiers with a gain of 100
A unity gain non-inverting amplifier

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Analog Electronics
Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is

  0.5 V.
  0.3 V.
  0.9 V.
  0.7 V.

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Analog Electronics
The collector characteristics of a common - emitter connected transistor may be used to find its

  output resistance .
  input resistance.
  base current.
  voltage gain.

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