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Analog Electronics

Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  independent of T.
  1 / T.
  T2.
  T.

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Analog Electronics
The value of total collector electric current in a CB circuit is

  IC = βIE.
  IC = αIE - ICO.
  IC = αIE + ICO.
  IC = αIE.

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Analog Electronics
The encapsulation of transistor is necessary for

Preventing radio interference
Mechanical ruggedness
Preventing photo-emission effects
Avoiding loss of free electrons

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Analog Electronics
Which of following is the fastest switching device ?

  MOSFET.
  Triode.
  JFET.
  BJT.

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Analog Electronics
The trapped energy of an inductive load can be feed back to the input supply through a diode known as

 None of these.
 Powe diode.
 Zener diode.
  Feed back diode.

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Analog Electronics
Acceptor type impurities

 Create excess holes
 have three valance electrons
All of these
 are used to make P-type semiconductor

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