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Analog Electronics

Analog Electronics
In an E only MOSFET, drain electric current starts only when VGS (th) is

  negative.
  zero.
  greater than VGS (th).
  positive.

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Analog Electronics
For a reverse biased pn junction, the electric current through the junction increases abruptly at

  7.2 eV.
  0 V.
  0.2 eV.
  breakdown voltage.

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Analog Electronics
An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is

0.25
0.5
0.75
1

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Analog Electronics
Which are the ways to convert an alternating current into a direct current ?

 Center-Taped Full-wave rectification.
 All the above.
 Half-wave rectification.
 Bridge Full-wave rectification.

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Analog Electronics
The input signal for an instrumentation amplifier usually comes from

 an inverting amplifier.
 a differential amplifier.
 a resistor.
 a Wheatstone bridge.

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Analog Electronics
The power dissipated by a transistor approximately equals the collector current times

  collector - emitter voltage.
 base - emitter voltage.
 0.7 V.
 base supply voltage.

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