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Analog Electronics

Analog Electronics
When a junction diode is Forward Biased the thickness of the depletion region is................

 Larger
 Smaller
 Medium
  Not determine

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Analog Electronics
In a nonlinear op-amp circuit, the

  output shape is the same as the input shape.
  opamp never saturates.
  feedback loop is never opened.
  opamp may saturate.

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Analog Electronics
The input voltage to an emitter follower is usually

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

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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

 four.
 one.
 three.
 two.

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Analog Electronics
When will be the P-N junction is formed ?

 Two opposite doped materials
 In reverse biased region
None of these
 In depletion region

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Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 increases by a factor of 6.
  remains almost the same.
 is zero.
 decreases by a factor of 6.

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