Physics, asked by jotrandhawa7030, 1 year ago

2 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
4
2
1
1/2

Answers

Answered by mukku44

0

Formulae is resitivity*l/a then the answer is 1/2

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