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Analog Electronics

Analog Electronics
The resistance of pn junction when it is forward biased in the order of

 Kilo Ohm
None of these
 Mega Ohm
 Ohm

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Analog Electronics
If the current gain is 100 and the collector current is 10 mA, the base current is

 10 A.
 1 A.
 10 µA.
  100 µA.

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Analog Electronics
The knee voltage (cut in voltage) of silicon diode

  0.7 V.
  0.2 V.
  1.0 V.
  0.8 V.

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

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Analog Electronics
What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ?

 Fermi level raises
 Fermi level fall
None of these
 Fermi level not change

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Analog Electronics
The opamp can amplify

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

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