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Analog Electronics

Analog Electronics
The gate controls

  the width of the channel.
  the drain current.
  the gate voltage.
  all of them.

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Analog Electronics
The common - mode rejection ratio is

  very low.
  equal to the voltage gain.
  as high as possible.
  equal to the common-mode voltage gain.

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Analog Electronics
What is the input impedance of a common-gate configured JFET?

  Very low.
  Low.
  High.
  Very high.

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Analog Electronics
Which of the following is expected to have highest input impedance?

  MOSFET.
  Common collector bipolar transistor
  JEFT amplifier.
  CE bipolar transistor.

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Analog Electronics
If the base supply voltage is disconnected, the collector-emitter voltage will equal

 0 V.
 6 V.
  collector supply voltage.
 10.5 V.

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Analog Electronics
When P-type substance is connected with negative and n-type is connected with positive terminal of the battery then P-n junction diode is in ....................

None of these
 Forward biased
 No biased
 Reverse biased

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