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Analog Electronics

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

 Insulating
None of these
 Doping
 Conducting

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

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

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Analog Electronics
A common - mode signal is applied to

  the inverting input.
  the non - inverting input.
  both inputs.
  the top of the tail resistor.

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Analog Electronics
When pn junction is reverse biased

 it offers a very high resistance
 the witdh of depletion layer increases
All of these
 a small current flows through it because of minority carriers

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Analog Electronics
CMOS devices use

  class A operation.
  DMOS devices.
  complementary E - MOSFETs.
  bipolar transistors .

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Analog Electronics
In a transistor leakage current mainly depends on

Rating of transistor
Size of emitter
Doping of base
Temperature

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