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Analog Electronics

Analog Electronics
In n type semiconductor elements of which group of periodic table is added as dopant

 group 5.
 group 4.
 group 3.
 group 2.

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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.
  500 W.
 1000 W.
 100 W.

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Analog Electronics
The room temperature resistivity of pure silicon is

 6
 3000
 300
 50

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Analog Electronics
If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point

 off the load line.
  down.
 up.
 nowhere.

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Analog Electronics
In an NPN transistor, the majority carriers in the emitter are

 both.
 neither.
 holes.
  free electrons.

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Analog Electronics
The base-emitter voltage of the second approximation is

 0.3 V.
  0.7 V.
 0 V.
 1 V.

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