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Analog Electronics

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

 down.
 off the load line.
  up.
 nowhere.

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Analog Electronics
A forward potential of 10 V is applied to a silicon diode. A resistance of 1KΩ is also in series with the diode. The electric current is

  0.
  9.3 mA.
  0.7 mA.
  10 mA.

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Analog Electronics
Silicon has

 none of above.
 two valence electrons.
 eight valence electrons.
 four valence electrons.

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Analog Electronics
An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is

1/5KΩ
1/11KΩ
5KΩ
11KΩ

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Analog Electronics
The early effect in a bipolar junction transistor is caused by

Large emitter-base forward bias
Fast turn-on
Fast turn-off
Large collector-base reverse bias

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Analog Electronics
Which of the following is a semiconductors material ?

 All the above
 Si
 GaAs
 Ge

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