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Analog Electronics

Analog Electronics
Assume that diode D1, D2 in figure are ideal diodes. The value of current is mcq-diagram

 0 mA.
 1 mA.
 0.5 mA.
 2 mA.

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Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

 Insulating
None of these
 Conducting
 Doping

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

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

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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 %
5 Ω & 16.7 %
25 Ω & 16.7 %

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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 p⁺n junction diode under reverse bias , the magnitude of electric field is maximum at

The p⁺n junction
The center of the depletion region on the n-side
The edge of the depletion region on the p-side
The edge of the depletion region on the n-side

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