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Analog Electronics

Analog Electronics
How many terminal are present in diode device ?

 Three-terminal
 Two-terminal
 One-terminal
 Four-terminal

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Analog Electronics
The leakage current in a pn junction is in order of

None of these
 A
 KA
 µA

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

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

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

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

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Analog Electronics
The input impedance of the base of an emitter follower is usually

 open.
 low.
 shorted to ground.
  high.

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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

79.5 mV
795mV
39.5mV
395mV

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