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Analog Electronics

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

 Electrons
 Both A & B
 Holes
 Neutrons

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Analog Electronics
The positive part of the output signal in a transistor circuit starts clipping, if Q point of the circuit moves

  toward the center of the load line.
  toward the saturation point.
  none of these.
  toward the cutoff point.

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

 0.1 V.
 0.7 V.
 1.7 V.
 2.1 V.

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  epitaxially grown silicon.
  heavily doped poly crystalline silicon.
  high - purity silicon.
  high - purity silica.

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Analog Electronics
The β of a transistor is the ratio of the

 emitter current to collector current.
  collect current to base current.
 base current to collector current.
 collect current to emitter current.

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Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

 150 µA.
 3 µA.
  30 µA.
 3 mA.

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