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Electric Circuits

Electric Circuits
Galvanizing is the coating of

 zinc.
 chromium.
 brass.
 lead.

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Electric Circuits
The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

  2.
 4.
 0.25.
  0.5.

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Electric Circuits
Given network is having N nodes and B branches, then number of twigs are

 N - 1.
 B - N - 1.
 N.
 B - N + 1.

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Electric Circuits
The voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is

 -2 V.
 1 V.
 2 V.
 -1 V.

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Electric Circuits
Power dissipation in ideal inductor is

 Zero
 Maximum
 Minimum
 A finite value

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-27 Coulomb
 1.6022 × 10-7 Coulomb
 1.6022 × 10-19 Coulomb
 1.6022 × 10-8 Coulomb

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