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Analog Electronics

Analog Electronics
In a transistor leakage current mainly depends on

Temperature
Doping of base
Size of emitter
Rating of transistor

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Analog Electronics
In CB configuration, the output V-I characteristics of a transistor are drawn by taking

  VCB versus IB for constant IE.
  VCB versus IC for constant IE.
  VCB versus IB for constant IE.
  VCE versus IC for constant IE.

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Analog Electronics
When testing an npn transistor using an ohmmeter, the collector-emitter resistance will be low when

 the collector is positive in respect to the emitter.
  the transistor is defective.
 the transistor is normal.
 the emitter is positive in respect to the collector.

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Analog Electronics
The opamp can amplify

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

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Analog Electronics
Common emitter current gain hFE of a BJT is

 Dependent on collector-emitter voltage.
 Dependent on base -emitter voltage.
  Dependent on collector current.
 Always constant.

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Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

 10 A.
  3.1 A.
 3.33 mA.
 3 A.

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MORE MCQ ON Analog Electronics

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