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Analog Electronics

Analog Electronics
A U shaped, opposite-polarity material built near a JFET-channel center is called the

  heat sink.
  drain.
  block.
  gate.

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Analog Electronics
Which of following is the point of reference JFET?

  None of above.
  Drain.
  Gate.
  Source.

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

 Holes
 Both A & B
 Neutrons
 Electrons

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

 trivalent atoms.
 pentavalent atoms.
 free electrons.
 holes.

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Analog Electronics
In a differential amplifier, the CMRR is limited mostly by the

  tolerance of the resistors.
  supply voltages .
  gain - bandwidth product.
  CMRR of the opamp.

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Analog Electronics
A LED produces light when

  reverse biased.
  unbiased.
  forward biased.
None of these

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