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Analog Electronics

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

 Doping
 Insulating
None of these
 Conducting

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Analog Electronics
Doping in a semiconductor increases which quantity

 Conductance
 Resistance
 Inductance
 None

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Analog Electronics
Thermal runaway is not possible in FET because as the temperature of FET increases

The mobility decreases
None of these
The transconductance increases
The drain current increases

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Analog Electronics
In modern the MOSFET, the material used for the gate is

  heavily doped poly crystalline silicon.
  high - purity silica.
  high - purity silicon.
  epitaxially grown silicon.

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Analog Electronics
When Semiconductor materials is heated its resistance

 decreases
 increases
None of these
 remains constant

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Analog Electronics
When the two input terminals of a differential amplifier are grounded

  an output error voltage usually exists.
  the ac output voltage is zero.
  the collector currents are equal.
  the base currents are equal.

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