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Physics, 27.10.2021 18:30 nina2323

A) An aluminum wire 7.5m long is connected in parallel with a copper wire 6m long. When current of 5A is passed through the combination, it is found that the current in the aluminium
wire is 3A. If the diameter of the aluminium wire is Imm, determine the diameter of the copper
wire. Assume the resistivity of copper to be 0.017u2m and that of aluminium to be 0.028 um.

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