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Analog Electronics

Analog Electronics
Example of donor atom is

 Germinium
 Antimony
 Silicon
 Both A and B

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

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Analog Electronics
A D - MOSFET is considered to be a

  high - power switch.
  normally on device.
  current controlled device.
  normally off device.

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Analog Electronics
Which of the following is a semiconductors material ?

 Ge
 Si
 GaAs
 All the above

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Analog Electronics
The input offset electric current equals the

 average of the two base currents.
 difference between the two base currents.
 difference between the two base-emitter voltages.
 collector electric current divided by the base current.

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Analog Electronics
The input impedance of the base of an emitter follower is usually

  high.
 low.
 shorted to ground.
 open.

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