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Analog Electronics

Analog Electronics
In an E only MOSFET, drain electric current starts only when VGS (th) is

  greater than VGS (th).
  negative.
  positive.
  zero.

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Analog Electronics
A 741-type OP-amp has a gain-bandwidth product of 1MHz.A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of

100 KHz
1000/7.07 KHz
1000/17 KHz
50 KHz

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Analog Electronics
Silicon and Germanium are ________ elements.

 hexavalant
 trivalant
 tetravalant
 pentavalant

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

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

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

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

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

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

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