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Analog Electronics

Analog Electronics
Which of following is the point of reference JFET?

  None of above.
  Source.
  Gate.
  Drain.

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Analog Electronics
The most commonly used semiconductor is

 Carbon
 Germanium
 Sulphur
 Silicon

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Analog Electronics
The base of an npn transistor is thin and

 doped by a pentavalent material.
  lightly doped.
 heavily doped.
 metallic.

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Analog Electronics
Which is the third region where no charge carriers are present when n-type and p-type are attached together ?

 Forward region
 Depletion region
 Reversed region
None of these

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Analog Electronics
When Semiconductor materials is heated its resistance

 decreases
None of these
 increases
 remains constant

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Analog Electronics
A 741-type OP-amp has a gain-bandwidth product of 1MHz.A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of

1000/17 KHz
50 KHz
1000/7.07 KHz
100 KHz

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