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10 March, 12:23

Which of the following would decreasethe resistance to the flow of an electric current through a body?

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  1. 10 March, 12:47
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    R = ρ L/A. R = resistance, ρ = resistivity, L = length of the conductor. A = area of the conductor. Resistance is directly proportional to the length of the conductor. So if length of the conductor is decreased, resistance will also decrease. Hence A is the correct option
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