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Analog Electronics

Analog Electronics
Barrier potential at the temperature (25°C) is 0.7 V, its value at 125°C is

  0.5 V.
  0.3 V.
  0.9 V.
  0.7 V.

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

None of these
 Kilo Ohm
 Mega Ohm
 Ohm

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Analog Electronics
Which of following is not an essential element of a DC power supply?

  Voltage amplifier.
  Voltage regulator.
  Filter.
  Rectifier.

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Analog Electronics
The base - emitter voltage is usually

 more than the base supply voltage.
  less than the base supply voltage.
 equal to the base supply voltage.
 none of these.

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

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

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Analog Electronics
Energy gap of semiconductor is approx

 1 eV.
 0 eV.
 > 8 eV .
 5 - 8 eV.

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