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Analog Electronics

Analog Electronics
An Op-Amp comparator circuit employs

 -ve feedback.
 both B and C.
 +ve feedback.
 no feedback.

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Analog Electronics
The percentage voltage regulation of voltage supply providing 100 V unloaded and 95 V at full load is

  5.3 %.
  none of them.
  5 %.
  0.53 %.

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Analog Electronics
The transit time of the electric current carriers through the channel of a JFET decides it’s ________________ characteristics.

 source and drain.
 source.
 gate.
 drain.

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

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

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Analog Electronics
When pn junction is reverse biased

 the witdh of depletion layer increases
 it offers a very high resistance
 a small current flows through it because of minority carriers
All of these

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Analog Electronics
Avalanche breakdown in a diode occurs when

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

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