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Analog Electronics

Analog Electronics
The properties of JFET resemble those of

  thermionic valves.
  NPN transistors.
  UJT.
  PNP transistors.

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Analog Electronics
Thermal runaway is not possible in FET because as the temperature of FET increases

The drain current increases
The mobility decreases
The transconductance increases
None of these

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Analog Electronics
A 10 V DC regulator power supply has a regulation of 0.005 %. The output voltage will vary within an envelope of __________________ milivolt.

  5.
  0.5.
  2.5.
  0.05.

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Analog Electronics
The universal bias stabilization circuit is the most popular because

  its β sensitivity is low .
  IC does not depend on transistor characteristic.
  voltage divider is heavily loaded by transistor base .
  IC equals to IE.

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Analog Electronics
The biasing circuit that gives best stability to Q point is

  emitter resistor biasing.
  base resistance biasing.
  potential divider biasing.
  feedback resistor biasing .

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Analog Electronics
Which of the following amplifier circuit using junction transistor has the best gain?

All have the same gain
Common collector
Common emitter
Common base

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