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Analog Electronics

Analog Electronics
The number of orbiting electrons in germanium atom are :

 28
 36
 42
 32

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Analog Electronics
A U shaped, opposite-polarity material built near a JFET-channel center is called the

  drain.
  heat sink.
  gate.
  block.

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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

11KΩ
5KΩ
1/11KΩ
1/5KΩ

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Analog Electronics
Reverse recovery current in a diode depends upon

 PIV.
  Forward field current.
 Temperature.
 Storage change.

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Analog Electronics
MOSFET can be used as a

Voltage controlled inductors
Voltage controlled capacitor
Current controlled inductor
Current controlled capacitor

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Analog Electronics
A silicon pn junction in forward condition has a voltage drop closer to

 0.7 V.
 1.7 V.
 0.1 V.
 2.1 V.

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