A wire of resistivity rho is stretched to double its length what will be its new resistance derivation
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Length or cross-sectional area of wire don't matter in resistivity.Resistivity of a wire remains the same as long as the temperature is constant.
so, doubling the length of wire by stretching will bring no alternation in the resistivity of wire.It will only alter the resistance of wire.
so, doubling the length of wire by stretching will bring no alternation in the resistivity of wire.It will only alter the resistance of wire.
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