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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
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

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

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Analog Electronics
Suppose the base resistor is open. The Q point will be

 at the upper end of the load line.
 off the load line.
 in the middle of the load line.
  at the lower end of the load line.

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Analog Electronics
The DC electric current gain in common collector configuration is given by

  α - 1.
  β + 1.
  β.
  α.

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Analog Electronics
A zener diode

  is forward biased.
  has a constant voltage in the breakdown region.
  has a barrier potential of 1 V.
  is a battery.

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Analog Electronics
In a nonlinear op-amp circuit, the

  opamp never saturates.
  opamp may saturate.
  feedback loop is never opened.
  output shape is the same as the input shape.

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