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Analog Electronics

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

  Gate.
  Source.
  None of above.
  Drain.

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Analog Electronics
The majority carrier in P-type extrinsic semiconductor material is

 Both Holes and Electrons
 Holes
None of these
 Electrons

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

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

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Analog Electronics
Common emitter current gain hFE of a BJT is

 Dependent on collector-emitter voltage.
 Dependent on base -emitter voltage.
  Dependent on collector current.
 Always constant.

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Analog Electronics
If the collector resistor opens in a base-biased circuit, the load line will become

 useless.
 flat.
 vertical.
  horizontal.

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Analog Electronics
The trapped energy of an inductive load can be feed back to the input supply through a diode known as

 Zener diode.
 None of these.
  Feed back diode.
 Powe diode.

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