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Analog Electronics

Analog Electronics
What will be the Potential barrier for Si Diode ?

 0.07 V
 0.3 V
 0.7 V
 0.05 V

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

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Analog Electronics
The number of valence electrons in silicon atom are :

 3
 2
 4
 1

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Analog Electronics
If the base resistor has zero resistance, the transistor will probably be

  destroyed.
 in cutoff.
None of these
 saturated.

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Analog Electronics
Acceptor type impurities

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

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

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

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