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Analog Electronics

Analog Electronics
The most commonly used semiconductor is

 Sulphur
 Carbon
 Germanium
 Silicon

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Analog Electronics
The extremely high input impedance of a MOSFET is primarily due to the

  extremely small leakage electric current of its gate capacitor.
  negative gate-source voltage.
  absence of its channel.
  depletion of electric current carriers.

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Analog Electronics
The conduction loss verses device current characteristics of power MOSFET in best approximately by

 an exponentially decaying function.
 a straight line.
 a rectangular hyperbola.
 a parabola.

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Analog Electronics
Why holes are not created in a metal ?

 Both 1 & 2
None of these
 The conduction band and valance band are overlapped
 The forbidden band is missing

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Analog Electronics
The collector current is 1.5 mA. If the current gain is 50, the base current is

 3 mA.
 150 µA.
  30 µA.
 3 µA.

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Analog Electronics
Which process is used for adding impurity into a pure semiconductor material ?

 Conducting
 Doping
 Insulating
None of these

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