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Analog Electronics

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

  gate.
  channel.
  p - n junction.
  substrate.

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Analog Electronics
Which of these is the best description of a zener diode?

  It is a constant electric current device.
  It works in the forward region.
  It is a constant voltage device.
  It is a rectifier diode.

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Analog Electronics
Single phase, 230 V, 1 KW heater is connected acrose single phase 230 V, 50 Hz supply through a diode. The power delivered to the heater element

 100 W.
  500 W.
 1000 W.
 None of above.

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Analog Electronics
The base of an npn transistor is thin and

 doped by a pentavalent material.
 metallic.
  lightly doped.
 heavily doped.

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Analog Electronics
When a reverse bias is applied to gate of JFET the depletion region width

None of these
  is wider near the drain and tapers near source.
  is uniform in the channel.
  is wider near the source and tapers near the drain.

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Analog Electronics
Increasing the collector supply voltage will increase

 base current.
 collector current.
 emitter current.
None of these

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