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Analog Electronics

Analog Electronics
Donors to a semiconductor material is

 Tetravalant
 Trivalant
 Pentavalant
 Divalant

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Analog Electronics
In a properly biased NPN transistor most of the electrons from the emitter

  recombine in the emitter its self.
  recombine with holes in the base .
  are stopped by the junction barrier.
  pass through the base to the collector.

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Analog Electronics
In a JFET, the primary control on drain electric current is exerted by

  voltage drop across channel.
  gate reverse bias.
  size of depletion regions.
  channel resistance.

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Analog Electronics
In a nonlinear op-amp circuit, the

  opamp may saturate.
  opamp never saturates.
  output shape is the same as the input shape.
  feedback loop is never opened.

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Analog Electronics
A diode (p-n junction) when reverse biased act as

 Capacitor
 Off Switch
 Zener diode
 On Switch

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Analog Electronics
Increasing the collector supply voltage will increase

 emitter current.
 collector current.
None of these
 base current.

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MORE MCQ ON Analog Electronics

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