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Electric Circuits

Electric Circuits
Given network is having N nodes and b branches, then number of individual loops are

 b - N - 1.
 N.
 b - N + 1.
 N - 1.

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Electric Circuits
Addition of which of the following substance in electrolyte helps in producing bright finish?

 Dextrol.
 Glycerine.
 Phenol.
 Any of above.

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Electric Circuits
For finding the Z11 parameter at the input port of a two port network

 input port is open circuited.
 output port is open circuited.
 input port is short circuited.
 output port is short circuited.

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Electric Circuits
The power dissipated in a pure capacitor is

 zero.
 both (B) and (C) above.
 proportional to the value of capacitance.
 proportional to applied voltage.

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Electric Circuits
Atoms with fewer than 4 valence electrons are

 conductor.
 semi-conductor.
 insulator.
 none of these.

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Electric Circuits
Which of the following lamp has least resistance ?

  200 W, 220 V.
 100 W, 220 V.
  25 W, 220 V.
  60 W, 220 V.

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