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Analog Electronics

Analog Electronics
In a pnp transistor, the major carriers in the emitter are

  holes.
 neither.
 both.
 free electrons.

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Analog Electronics
If a transistor operates at the middle of the load line, a decrease in the base resistance will move the Q point

 nowhere.
 off the load line.
 down.
  up.

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

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Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  independent of T.
  T2.
  T.
  1 / T.

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Analog Electronics
Which of the following cannot actually move?

 All the above
 Electrons
 Holes
 Ions

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

A unity gain inverting amplifier
An inverting amplifiers with a gain of 100
An inverting amplifier with a gain of 10
A unity gain non-inverting amplifier

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