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Analog Electronics

Analog Electronics
In a transistor leakage current mainly depends on

Doping of base
Size of emitter
Temperature
Rating of transistor

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Analog Electronics
In MOSFET devices the N-channel type is better the P-channel type in the following respects

  it has better noise immunity.
  it is TTL compatible.
  it is faster.
  it has better drive capability.

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Analog Electronics
An Op-Amp comparator circuit employs

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

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Analog Electronics
The current gain of a bipolar transistor drops at high frequencies because of

Transistor capacitances
The early effect
Parasitic inductive elements
High current effects in the base

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Analog Electronics
The opamp can amplify

  DC signals only.
  both AC and DC signals.
  neither AC not DC signals.
  AC signals only.

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Analog Electronics
When VGS = 0 V, a JFET is

  cut off.
  an analog device.
  an open switch.
  saturated.

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MORE MCQ ON Analog Electronics

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