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Analog Electronics

Analog Electronics
Leakage electric current in CE configuration is

  not present.
  normal.
  very small.
  very high.

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

 base diode.
  collector diode.
 emitter diode.
 transistor.

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Analog Electronics
A JFET has disadvantage of

  being noisy.
  having low input impedance.
  possessing positive temperature coefficient.
  having small gain-bandwidth product.

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Analog Electronics
A D - MOSFET is considered to be a

  normally off device.
  normally on device.
  current controlled device.
  high - power switch.

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Analog Electronics
Which of the following is trivalent impurity ?

 Antimony
 Silicon
None of these
 Boron

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Analog Electronics
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when

  the transistor is defective.
 the emitter is positive in respect to the collector.
 the transistor is normal.
 the collector is positive in respect to the emitter.

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