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Analog Electronics

Analog Electronics
A 555 IC is used to produce

 register
 counter
 clock
 byte

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Analog Electronics
For a transistor amplifier with self- biasing network, the following components are used: R1 = 4 KΩ, R2 = 4 KΩ and RE = 1 KΩ, the approximate value of stability factor will be

  4.
  3.
  2.
  1.5.

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Analog Electronics
With both bases grounded, the only offset that produces an error is the

  β.
  input offset voltage.
  input offset current.
  input bias current.

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Analog Electronics
The input impedance of the base of an emitter follower is usually

 shorted to ground.
 low.
  high.
 open.

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Analog Electronics
Which material behave like perfect insulators at low temperatures & conductor at higher temperature ?

 All the above
 GaAs
 Ge
 Si

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Analog Electronics
When VGS = 0 V, a JFET is

  cut off.
  saturated.
  an open switch.
  an analog device.

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