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Electric Circuits

Electric Circuits
A branch of a network is said to be active when it consists of one

 inductor.
 resistor.
 capacitor.
 voltage source.

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Electric Circuits
A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is

 339∠45o V.
 480∠ - 45o V.
 339∠- 45o V.
 480∠45o V.

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Electric Circuits
Lowest current density is generally recommended for plating of

 chromium.
 silver.
 bronze.
 cadmium.

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Electric Circuits
Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source?

  P.
 16P.
 2P.
 4P.

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Electric Circuits
If a resistor and a capacitor are connected to form series R - C circuit across a voltage source. If frequency of voltage source increases

 the current remain unaltered.
 the current increases.
 the current decreases abruptly.
 the current decreases.

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Electric Circuits
The capacity of a cell is measured in

  ampere-hour.
  watt-hours.
  amperes.
  watts.

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MORE MCQ ON Electric Circuits

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