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Analog Electronics

Analog Electronics
In an E only MOSFET, drain electric current starts only when VGS (th) is

  negative.
  greater than VGS (th).
  zero.
  positive.

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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

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

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Analog Electronics
The AC base voltage of an emitter follower is across the

 DC emitter resistor.
  emitter diode and external AC emitter resistance.
 emitter diode.
 load resistor.

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Analog Electronics
Most of the electrons in the base of an NPN transistor flow

 out of the base lead.
 into the emitter.
  into the collector.
 into the base supply.

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Analog Electronics
A D - MOSFET can operate in the

  low - impedance.
  depletion - mode or enhancement - mode.
  enhancement - mode only.
  depletion - mode only .

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Analog Electronics
The silicon transistor are more widely used than germanium transistors because

  they have smaller leakage current.
  they have larger electric current carrying capacity.
  they have better ability to dissipate heat.
  they have smaller depletion layer.

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