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Analog Electronics

Analog Electronics
The effective channel length of a MOSFET in a saturation decreases with increase in

Source voltage
Gate voltage
Body voltage
Drain voltage

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Analog Electronics
If the base current is 100 mA and the current gain is 30, the emitter current is

 3.33 mA.
  3.1 A.
 10 A.
 3 A.

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Analog Electronics
If the current gain is unknown in an emitter-biased circuit, you cannot calculate the

 collector current.
  base current.
 emitter current.
 emitter voltage.

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Analog Electronics
A D - MOSFET can operate in the

  depletion - mode or enhancement - mode.
  low - impedance.
  depletion - mode only .
  enhancement - mode only.

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Analog Electronics
If the series resistance increases in an unloaded zener regulator, the zener current

  equals the voltage divided by the resistance.
  decreases.
  increases.
  stays the same.

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Analog Electronics
What will be the result if pentavalent impurity is added to pure germanium or silicon ?

 P-type semiconductor
None of these
 Intrinsic semiconductor
 N-type semiconductor

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