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Analog Electronics

Analog Electronics
The softness factor for soft recovery and fast recovery diodes are respectively

 1, >1.
  1,
 1, 1.

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

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

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Analog Electronics
Avalanche breakdown in a diode occurs when

None of these
  forward electric current exceeds certain value.
  potential barrier is reduced to zero.
  reverse bias exceeds a certain value.

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Analog Electronics
In a RC phase shift oscillator, the minimum number of R-C networks to be connected in cascade will be

 three.
 two.
 four.
 one.

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Analog Electronics
The positive part of the output signal in a transistor circuit starts clipping, if Q point of the circuit moves

  toward the cutoff point.
  none of these.
  toward the center of the load line.
  toward the saturation point.

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Analog Electronics
In a transistor leakage current mainly depends on

Temperature
Size of emitter
Rating of transistor
Doping of base

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