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Analog Electronics

Analog Electronics
At the unity-gain frequency, the open-loop voltage gain is

  1.
  AV(mid).
  zero.
  very large

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Analog Electronics
What is the condition if no external potential energy is applied to the PN junction then diode ?

None of these
 Reversed biased
 Zero Bias
 Forward biased

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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 & 16.7 %
5 Ω & 20 %
25 Ω & 16.7 %

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Analog Electronics
Piezoelectric effect is utilized in which of the following filter?

 Ideal filter.
 Band stop.
 Pass band.
  Crystal filter.

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Analog Electronics
In which mode of BJT operation are both junction forward biased

  saturation.
  cut off.
  active.
  reverse active.

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Analog Electronics
Which of the following is the pentavalent material ?

 Arsenic
 Gallium
 Neon
 Boron

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