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Analog Electronics

Analog Electronics
A 555 IC is used to produce

 counter
 byte
 clock
 register

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Analog Electronics
The expression for frequency of oscillations of a RC phase shift oscillator is

 f = 1 / (2π√RC)
None of these
 f = 1 / (2π RC√6)
 f = 1 / (2π√R(C1 + C2))

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Analog Electronics
When pn junction is reverse biased

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

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Analog Electronics
Large electric current flow of a BJT occurs

  through emitter-collector
  in base.
  in collector.
  in emitter.

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Analog Electronics
The depletion region of a pn junction is one, that is depleted of

  mobiles charges.
  velocity of the carriers.
  immobile charges.
  atoms.

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Analog Electronics
Negative feedback in an amplifier

Reduces gain
Reduces bandwidth
Increase frequency &phase distortion
Increases noise

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