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Analog Electronics

Analog Electronics
If the collector resistor is open, the collector voltage is

 unknown.
  low.
 unchanged.
 high.

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Analog Electronics
A small collector current with zero base current is caused by the leakage current of the

  collector diode.
 transistor.
 emitter diode.
 base diode.

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Analog Electronics
Which of following is the fastest switching device ?

  BJT.
  JFET.
  MOSFET.
  Triode.

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Analog Electronics
The action of JFET in its equivalent circuit can best be represented as a

Current controlled voltage source
Voltage controlled voltage source
voltage controlled current source
Current controlled Current source

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Analog Electronics
The main job of a voltage regulator is to provide a nearly __________________ output voltage.

  fluctuating.
  constant.
  smooth.
  sinusoidal.

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Analog Electronics
Avalanche breakdown in a diode occurs when

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

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