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Analog Electronics

Analog Electronics
If the current gain is 100 and the collector current is 10 mA, the base current is

 1 A.
 10 A.
  100 µA.
 10 µA.

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Analog Electronics
When the JFET is no longer able to control the current, this point is called the

  depletion region.
  saturated point.
  breakdown region.
  pinch-off region.

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

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

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Analog Electronics
Suppose the base resistor is open. The Q point will be

  at the lower end of the load line.
 off the load line.
 in the middle of the load line.
 at the upper end of the load line.

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Analog Electronics
An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is

1/11KΩ
11KΩ
5KΩ
1/5KΩ

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Analog Electronics
Conduction electrons have more mobility than holes because they

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

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