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Analog Electronics

Analog Electronics
Semiconductor Diode is used as

 an oscillator
 a rectifier
 a modulator
 an amplifier

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Analog Electronics
The depletion region with in a pn junction is reduced when the junction has :

 forward bias.
 zero bias.
 reverse bias.
 all of these.

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Analog Electronics
When P-type substance is connected with positive and N-type is connected with negative terminal then P-N junction diode is in ....................

 No biased
 Forward biased
 Reverse biased
None of these

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Analog Electronics
Single phase, 230 V, 1 KW heater is connected acrose single phase 230 V, 50 Hz supply through a diode. The power delivered to the heater element

 None of above.
 100 W.
  500 W.
 1000 W.

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Analog Electronics
The feedback factor of a Wien bridge oscillator using Op-Amp is

 1
 1/2
 1/4
 1/3

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Analog Electronics
Most of the electrons in the base of an NPN transistor do not recombine because they

 must flow through the base.
 have a negative charge.
 flow out of the base.
  have a long lifetime.

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MORE MCQ ON Analog Electronics

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