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Analog Electronics

Analog Electronics
A transistor has how many PN junctions?

 3.
 4.
 1.
  2.

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Analog Electronics
The leakage current in a pn junction is in order of

 KA
 µA
None of these
 A

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Analog Electronics
When there is no base current in a transistor switch, the output voltage from the transistor is

 low.
  high.
 unchanged.
 unknown.

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Analog Electronics
In a nonlinear op-amp circuit, the

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

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Analog Electronics
A voltage regulator is a circuit which

  converts the AC voltage to DC voltage.
  smoothed the AC variation in DC output voltage.
None of these
  maintains constant DC output voltage inspite of the fluctu

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Analog Electronics
Early effect in BJT refers to

  thermal breakdown.
  zener breakdown.
  avalanche breakdown.
  base narrowing.

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