This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
Two similarly charged bodies are kept 5 cm apart in air. If the second body is shifted away from the first by another 5 cm, their force of repulsion will be?
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Two copper wires A and B of length L and 2L respectively, have the same area of cross-section. The ratio of the resistivity of wire A to the resistivity of wire B is?
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Wrong!
Two metallic wires A and B are of same material and have equal length. If the cross-sectional area of B is double that of A, then which one among the following is the electrical resistance of B?
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An electric lamp of 100 watt is used for 10 hours per day. The ‘units’ of energy consumed in one day by the lamp is?
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Which one among the following is the correct order of power consumption for light of equal intensity?
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The resistance of a wire is 10Ω. If it is stretched ten times, the resistance will be?
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Wrong!
When an electrical safety fuse is rated (marked) as 16 A, it means it?
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Wrong!
Kilowatt-hour is the unit of ?
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Wrong!
Quiz on Electricity 3
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