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Analog Electronics

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

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

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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
When a reverse bias is applied to gate of JFET the depletion region width

  is uniform in the channel.
None of these
  is wider near the drain and tapers near source.
  is wider near the source and tapers near the drain.

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

  drain.
  block.
  gate.
  heat sink.

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Analog Electronics
The arrow direction in diode symbol indicates

  opposite to the direction of hole flow.
  direction of electron flow.
  none of these.
  direction of hole flow.

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Analog Electronics
Asource follower using an FET usually has a voltage gain which is

About -10
Slightly less than unity but positive
Exactly unity but negative
Greater than +100

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