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Analog Electronics

Analog Electronics
Acceptors impurities are of ________ material

 p-type
 Both A and B
 solid
 n-type

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Analog Electronics
When were the first solid state devices manufactured ?

 1970
 1940
 1950
 1960

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Analog Electronics
The knee voltage (cut in voltage) of silicon diode

  1.0 V.
  0.2 V.
  0.7 V.
  0.8 V.

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Analog Electronics
If the base resistor is open, what is the collect current?

 2 mA.
 10 mA.
  0 mA.
 1 mA.

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Analog Electronics
The value of total collector electric current in a CB circuit is

  IC = αIE.
  IC = αIE - ICO.
  IC = αIE + ICO.
  IC = βIE.

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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
11KΩ
5KΩ

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