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Electric Circuits

Electric Circuits
Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is

 90o.
 0o.
 30o.
 45o.

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Electric Circuits
Which of the following is not equivalent to watts?

 Ampere-volts.
 Amperes/volt.
 Ampere2 – Ohm.
 Joules per second.

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Electric Circuits
A paper capacitor is usually available in form of

 tubes.
 disc.
 rolled foil.
 meshed plates.

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Electric Circuits
Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is

 6:4:2.
 2:3:6.
 2:4:6.
 6:3:2.

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Electric Circuits
The resistivity of the conductor depends on

 area of the conductor.
 type of material.
 length of the conductor.
 none of these.

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 in 4 parallel rows each row having 3 cells in series.
 in 3 parallel rows each row having 4 cells in series.
 all 12 in series.
 all 12 in parallel.

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MORE MCQ ON Electric Circuits

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