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Analog Electronics

Analog Electronics
Which are the mobile charge carriers present in semiconductor diode ?

 Holes
 Electrons
 Neutrons
 Both A & B

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

 pentavalent atoms.
 holes.
 free electrons.
 trivalent atoms.

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Analog Electronics
Generally, the gain of a transistor amplifier falls at high frequencies due to the

Coupling capacitor at the input
Internal Capacitance of the device
Coupling capacitor at the output
Skin effect

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Analog Electronics
Which of the following cannot actually move?

 All the above
 Holes
 Electrons
 Ions

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Analog Electronics
A silicon pn junction in forward condition has a voltage drop closer to

 1.7 V.
 0.7 V.
 2.1 V.
 0.1 V.

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Analog Electronics
Which of the following components are used for bias compensation in transistor circuit?

  Thermistor.
  Rectifier diodes.
  Resistors.
  Both (A) and (C) above.

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