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Analog Electronics

Analog Electronics
Given (135)x + (144)x = (323)x what is the value of base x?

 6
 4
 5
 3

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Analog Electronics
Which of the following cannot actually move?

 Ions
 Holes
 Electrons
 All the above

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Analog Electronics
Depending upon the switching recovery time and on state drop, the power diodes are types

 General purpose, fast recovery.
 Fast recovery, Schottky.
 None of these.
  General purpose, fast recovery and schottly.

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Analog Electronics
In a properly biased NPN transistor most of the electrons from the emitter

  recombine in the emitter its self.
  pass through the base to the collector.
  recombine with holes in the base .
  are stopped by the junction barrier.

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Analog Electronics
In a N-type semiconductor material electrons are ....................

 High charge carriers
 Minority charge carriers
 Low charge carriers
 Majority charge carriers

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Analog Electronics
A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit?

 45.5 %.
 52.8 %.
 34.3 %.
 66.3 %.

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