An electric current is passed through a circuit containing two wires of the same material connected in parallel. If the lengths and radii of the wire are in the ratio 4/3 and 2/3, then the ratio of the currents passing through the wires will be

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1/3

3/1

4/3

3/4

answer is A.

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Detailed Solution

V−iR V= constant i1R1=i2R2i1i2=R2R1∵R∝lA

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