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Analog Electronics

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
The gate controls

  the drain current.
  the gate voltage.
  the width of the channel.
  all of them.

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Analog Electronics
What will be the result if pentavalent impurity is added to pure germanium or silicon ?

 N-type semiconductor
 Intrinsic semiconductor
 P-type semiconductor
None of these

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Analog Electronics
LC oscillators are used for produce a waveform with frequency ranging from

 100 KHz to 500 MHz
 1MHz to 500 MHz
 1MHz to 100 GHz
 1 KHz to 1 MHz

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Analog Electronics
In a pnp transistor, the major carriers in the emitter are

 free electrons.
  holes.
 both.
 neither.

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Analog Electronics
What is mean by the outermost orbit of an atom ?

 Conduction band
 Energy band
None of these
 Valence orbit

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