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Analog Electronics

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

  saturation.
  reverse active.
  active.
  cut off.

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

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Analog Electronics
Which of the following is trivalent impurity ?

 Boron
None of these
 Antimony
 Silicon

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Analog Electronics
If the base supply voltage increase, the Q point moves

 off the load line.
 nowhere.
 down.
  up.

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Analog Electronics
In the constant-current region, how will the IDS change in an n-channel JFET?

  As VGS decreases ID decreases.
  As VGS decreases ID remains constant.
  As VGS increases ID increases.
  As VGS increases ID remains constant.

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Analog Electronics
Which are the mobile charge carriers present in semiconductor diode ?

 Neutrons
 Electrons
 Both A & B
 Holes

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