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Analog Electronics

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

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

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Analog Electronics
Which of the following is Pentavalent impurity?

 boron
 indium
 gallium
 antimony

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Analog Electronics
MOSFET uses the electric field of

  gate capacitance to control the channel current.
  barrier potential of p-n junction to control the channel current.
  none of these.
  both (A) and (B).

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Analog Electronics
Single phase, 230 V, 1 KW heater is connected acrose single phase 230 V, 50 Hz supply through a diode. The power delivered to the heater element

  500 W.
 100 W.
 1000 W.
 None of above.

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Analog Electronics
The DC electric current gain in common collector configuration is given by

  β.
  α - 1.
  β + 1.
  α.

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Analog Electronics
If=0.98, Ico=6µA and Iβ=100µA for a transistor,then the value of Ic will be

3.2mA
5.2mA
2.3mA
4.6mA

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