what will be the ratio of three resistances if the mass of three copper wires is in the ratio 1:3:5 and their lengths are in the ratio 5:3:1?
Asked by rishabh trehan | 29th Apr, 2013, 07:49: PM
resistance of a substance is proportional to the length when the cross sectional area is same...It will not depend upon the mass of the substance.
Answered by | 30th Apr, 2013, 02:45: PM
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