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Analog Electronics

Analog Electronics
A semiconductor material is formed by

 Metallic bonds
 Electrovalent bonds
 Covalent bonds
None of these

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Analog Electronics
In a differential amplifier, the CMRR is limited mostly by the

  CMRR of the opamp.
  supply voltages .
  gain - bandwidth product.
  tolerance of the resistors.

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Analog Electronics
Which of the following components are used for bias compensation in transistor circuit?

  Rectifier diodes.
  Thermistor.
  Both (A) and (C) above.
  Resistors.

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Analog Electronics
The reverse saturation electric current of a pn junction varies with temperature (T) as

  T2.
  independent of T.
  1 / T.
  T.

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Analog Electronics
The effective channel length of a MOSFET in a saturation decreases with increase in

Drain voltage
Gate voltage
Source voltage
Body voltage

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Analog Electronics
Example of donor atom is

 Silicon
 Antimony
 Both A and B
 Germinium

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