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Analog Electronics

Analog Electronics
The percentage voltage regulation of voltage supply providing 100 V unloaded and 95 V at full load is

  5.3 %.
  0.53 %.
  none of them.
  5 %.

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Analog Electronics
Which is the pair of acceptor elements ?

 Antimony and indium
 Phosphorous and aluminium
None of these
 Gallium and boron

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  heavily doped poly crystalline silicon.
  epitaxially grown silicon.
  high - purity silica.
  high - purity silicon.

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Analog Electronics
A 3 - phase diode bridge rectifier is fed from a 400 V rms, 50 Hz, 3 phase AC source. If the load is purely resistive, then peak instantaneous output voltage is equal to

 400√ 2 V.
 400 / √ 3 V.
 400√ (2/3) V.
 400 V.

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Analog Electronics
Which of the following transistor configuration circuit is much less temperature dependent ?

  Common base.
None of these
  Common collector.
  Common emitter.

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Analog Electronics
If the series resistance increases in an unloaded zener regulator, the zener current

  stays the same.
  decreases.
  equals the voltage divided by the resistance.
  increases.

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