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Analog Electronics

Analog Electronics
The properties of JFET resemble those of

  thermionic valves.
  NPN transistors.
  PNP transistors.
  UJT.

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Analog Electronics
Most of the electrons in the base of an NPN transistor flow

 into the base supply.
 out of the base lead.
 into the emitter.
  into the collector.

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Analog Electronics
The ideal value of stability factor of a biasing circuit is

  1.
  100.
  5.
  10.

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Analog Electronics
In a loaded zener regulator, which is the largest current?

  Zener current.
  Load current.
None of these
  Series current.

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Analog Electronics
When will be the P-N junction is formed ?

 In reverse biased region
None of these
 Two opposite doped materials
 In depletion region

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Analog Electronics
Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250, are cascaded. The open circuit voltage gain of combined amplifier is

49dB
102dB
98dB
51dB

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