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Analog Electronics

Analog Electronics
A depletion MOSFET differs from a JFET in the sense that it has no

  p - n junction.
  gate.
  substrate.
  channel.

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

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

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Analog Electronics
In which mode of BJT operation are both junction forward biased

  reverse active.
  active.
  saturation.
  cut off.

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Analog Electronics
The arrow direction in diode symbol indicates

  opposite to the direction of hole flow.
  direction of electron flow.
  none of these.
  direction of hole flow.

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Analog Electronics
The voltage divider biasing circuit is used in amplifiers quite often because it

  makes the operating point almost independent of β.
  reduces the DC base electric current.
  reduces the cost of the circuit.
  limits the AC signal going to base.

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Analog Electronics
A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are

25 Ω & 16.7 %
25 Ω & 20 %
5 Ω & 16.7 %
5 Ω & 20 %

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