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Analog Electronics

Analog Electronics
Which types of device is the diode ?

None of these
 Conductor
 Semiconductor
 Insulator

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Analog Electronics
The early effect in a bipolar junction transistor is caused by

Fast turn-on
Large collector-base reverse bias
Large emitter-base forward bias
Fast turn-off

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Analog Electronics
The current gain of a pnp transistor is

 the ratio of collector current to emitter current.
 the collector current divided by the emitter current.
 near zero.
 the negative of the npn current gain.

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Analog Electronics
The transition capacitance of a reverse biased pn junction having uniform doping on both sides, varies with junction voltage ( VB ) as

  ( VB )2.
  1 / VB.
  VB.
  ( VB )- 1 / 2.

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Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

 3 A.
  3.1 A.
 3.33 mA.
 10 A.

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Analog Electronics
Conduction electrons have more mobility than holes because they

 need less energy to move them
 are free
 have negative charge
None of these

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