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Analog Electronics

Analog Electronics
An Op-Amp comparator circuit employs

 -ve feedback.
 no feedback.
 both B and C.
 +ve feedback.

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Analog Electronics
Conduction electrons have more mobility than holes because they

 have negative charge
 are free
 need less energy to move them
None of these

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

 Holes
 Electrons
None of these
 Protons

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Analog Electronics
For a diode, reverse recovery time is defined as the time between the instant diode current becomes zero and the instant reverse recovery current decays to

 10% of reverse peak current.
 15% of reverse peak current.
 0.
  25% of reverse peak current.

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Analog Electronics
When a junction diode is Forward Biased the thickness of the depletion region is................

 Smaller
 Medium
  Not determine
 Larger

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Analog Electronics
Large electric current flow of a BJT occurs

  in collector.
  in emitter.
  through emitter-collector
  in base.

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