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Analog Electronics

Analog Electronics
The majority carrier in P-type extrinsic semiconductor material is

None of these
 Electrons
 Holes
 Both Holes and Electrons

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Analog Electronics
A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ. At the frequency of 4KHZ,the o/p voltage will be

1.4v
2v
2.8v
1v

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Analog Electronics
An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is

5KΩ
1/5KΩ
11KΩ
1/11KΩ

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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

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

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Analog Electronics
Example of donor atom is

 Germinium
 Antimony
 Silicon
 Both A and B

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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.
 3.33 mA.
  3.1 A.
 3 A.

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