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Analog Electronics

Analog Electronics
The base-emitter voltage of an ideal transistor is

 1 V.
 0.3 V.
 0.7 V.
  0 V.

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Analog Electronics
The output voltage of an emitter follower is across the

 emitter diode and external AC emitter resistance.
 emitter diode.
  load resistor.
 DC collector resistor.

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

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

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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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Analog Electronics
In a RC phase shift oscillator, the minimum number of R-C networks to be connected in cascade will be

 four.
 three.
 two.
 one.

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

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

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