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Analog Electronics

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

 6
 3
 5
 4

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Analog Electronics
The early effect in a bipolar junction transistor is caused by

Fast turn-on
Large collector-base reverse bias
Large emitter-base forward bias
Fast turn-off

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Analog Electronics
If the current gain is 100 and the collector current is 10 mA, the base current is

  100 µA.
 1 A.
 10 A.
 10 µA.

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Analog Electronics
Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250, are cascaded. The open circuit voltage gain of combined amplifier is

102dB
51dB
98dB
49dB

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Analog Electronics
The emitter of the transistor is generally doped the heaviest because it

  must possess low resistance.
  has to supply the charge carriers.
  is the first region of transistor.
  has to dissipate maximum power.

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Analog Electronics
The negative part of the output signal in a transistor circuit starts clipping if the Q point of the circuit moves

  toward the center of the load line.
  toward the saturation point.
None of these
  toward the cutoff point.

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