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Analog Electronics

Analog Electronics
A LED produces light when

  reverse biased.
None of these
  unbiased.
  forward biased.

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Analog Electronics
When were the first solid state devices manufactured ?

 1960
 1950
 1970
 1940

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Analog Electronics
Which is the conversion of current done by diode ?

None of these
 AC to DC
 DC to DC
 DC to AC

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Analog Electronics
The power dissipated by a transistor approximately equals the collector current times

 0.7 V.
  collector - emitter voltage.
 base - emitter voltage.
 base supply voltage.

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Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

None of these
 Conducting
 Insulating
 Doping

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

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

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