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Analog Electronics

Analog Electronics
An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is

0.75
1
0.25
0.5

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Analog Electronics
Depending upon the switching recovery time and on state drop, the power diodes are types

 Fast recovery, Schottky.
 General purpose, fast recovery.
 None of these.
  General purpose, fast recovery and schottly.

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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

5KΩ
11KΩ
1/5KΩ
1/11KΩ

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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.
  10 mA.
  9.3 mA.
  0.7 mA.

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Analog Electronics
Piezoelectric effect is utilized in which of the following filter?

 Pass band.
  Crystal filter.
 Ideal filter.
 Band stop.

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Analog Electronics
What is the condition if no external potential energy is applied to the PN junction then diode ?

None of these
 Reversed biased
 Forward biased
 Zero Bias

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