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Analog Electronics

Analog Electronics
Acceptors impurities are of ________ material

 solid
 p-type
 n-type
 Both A and B

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Analog Electronics
The DC electric current gain in common collector configuration is given by

  α - 1.
  α.
  β + 1.
  β.

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Analog Electronics
An amplifier using an opamp with slew rate SR=1v/µsec has a gain of 40db.if this amplifier has to faithfully amplify sinusoidal signals from dc to 20 KHz without introducing any slew-rate induced distortion, then the input signal level must not exceed

795mV
39.5mV
395mV
79.5 mV

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Analog Electronics
The transit time of the electric current carriers through the channel of a JFET decides it’s ________________ characteristics.

 source and drain.
 drain.
 source.
 gate.

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Analog Electronics
When the diode is forward biased, it is equivalent to

  an off switch.
  an on switch.
  a high resistance.
None of these

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Analog Electronics
A LED produces light when

  reverse biased.
  forward biased.
  unbiased.
None of these

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