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Analog Electronics

Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

 Insulating
 Conducting
 Doping
None of these

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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

2v
1.4v
1v
2.8v

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Analog Electronics
Which of the following is expected to have highest input impedance?

  JEFT amplifier.
  Common collector bipolar transistor
  CE bipolar transistor.
  MOSFET.

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Analog Electronics
Reverse recovery current in a diode depends upon

 PIV.
  Forward field current.
 Temperature.
 Storage change.

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Analog Electronics
The majority carriers in the emitter of a PNP transistor are

 holes.
 pentavalent atoms.
 trivalent atoms.
 free electrons.

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Analog Electronics
What does MOS stand for?

  None of them.
  Metal - oxide semiconductor.
  Metal - oxide silicon.
  Metal - on silicon.

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