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Electric Circuits

Electric Circuits
The fixed circular paths around the nucleus are called

 mesons.
 orbitals.
 nucleus.
 orbits.

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Electric Circuits
One ampere hour charge is equivalent to

 36000 coulombs.
 36 coulombs.
 3600 coulombs.
 360 coulombs.

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Electric Circuits
A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest?

 10 Hz.
 1000 Hz.
 1 Hz.
 100 Hz.

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Electric Circuits
Unit of apparent power is

 Watts.
 VA.
 KWhr.
 VAR.

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Electric Circuits
Two resistors R1 and R2 give combined resistance of 4.5 Ohm when connected in series and 1 Ohm when in parallel, the resistances are

 1.25 Ohm and 3.25 Ohm.
 1.5 Ohm and 3 Ohm.
 2 Ohm and 2.5 Ohm.
 2.2 Ohm and 2.3 Ohm.

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Electric Circuits
An electric field line and an equipotential surface are

 none of above.
 always perpendicular.
 inclined at any angle.
 always parallel.

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MORE MCQ ON Electric Circuits

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