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Analog Electronics

Analog Electronics
The barrier potential across each silicon depletion layer is

  0.7 V.
 1 V.
 0 V.
 0.3 V.

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Analog Electronics
Which impurity is added into semiconductor to increase its conductivity ?

 extrinsic
None of these
 doping
 intrinsic

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Analog Electronics
Voltage controlled oscillators are used commonly in

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

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Analog Electronics
What is the majority carriers of P type material ?

 Holes
 Protons
None of these
 Electrons

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Analog Electronics
The major advantage of a photo transistor as compared to a photo diode is its

 durability.
 AC operation.
  increased sensitivity.
 response to higher frequencies.

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Analog Electronics
Asource follower using an FET usually has a voltage gain which is

Exactly unity but negative
About -10
Greater than +100
Slightly less than unity but positive

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