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Analog Electronics

Analog Electronics
The number of orbiting electrons in germanium atom are :

 42
 28
 36
 32

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Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

 3 mA.
  30 µA.
 3 µA.
 150 µA.

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Analog Electronics
In a N-type semiconductor material holes are ......................

 Low charge carriers
 Minority charge carriers
 High charge carriers
 Majority charge carriers

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Analog Electronics
The AC base voltage of an emitter follower is across the

  emitter diode and external AC emitter resistance.
 load resistor.
 DC emitter resistor.
 emitter diode.

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Analog Electronics
The opamp can amplify

  DC signals only.
  both AC and DC signals.
  neither AC not DC signals.
  AC signals only.

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Analog Electronics
What is the majority carriers in "N" type material ?

 Holes
 Electrons
None of these
 Protons

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