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Analog Electronics

Analog Electronics
The resistance of pn junction when it is forward biased in the order of

 Kilo Ohm
 Mega Ohm
 Ohm
None of these

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Analog Electronics
When Semiconductor materials is heated its resistance

 increases
None of these
 decreases
 remains constant

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Analog Electronics
Voltage controlled oscillators are used commonly in

 All the above
 Phase Clocked loops
 Frequency Modulators
 Pulse Modulators Frequency Modulators Phase Clocked loops

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

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

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Analog Electronics
When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current

 increases by a factor of 6.
 is zero.
 decreases by a factor of 6.
  remains almost the same.

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Analog Electronics
An instrumentation amplifier has a high

  supply voltage.
  CMMR.
  output impedance.
  power gain.

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