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Analog Electronics

Analog Electronics
What will be the Potential barrier for Ge Diode ?

 0.03V
 0.5V
 0.7V
 0.3V

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Analog Electronics
Conduction electrons have more mobility than holes because they

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

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Analog Electronics
What is an energy gap?

 Energy band in which electrons can move freely
 Energy level at which an electron can exist
 Space between two orbital shells
None of these

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Analog Electronics
Acceptors impurities are of ________ material

 n-type
 p-type
 Both A and B
 solid

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

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

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Analog Electronics
Common emitter current gain hFE of a BJT is

  Dependent on collector current.
 Always constant.
 Dependent on base -emitter voltage.
 Dependent on collector-emitter voltage.

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