Physics, asked by alafiya2409, 5 days ago

resistivity of a wire of metal A is twice the resistivity of wire of metal B and the radius of wire of metal A is half the radius of wire of metal B. What should the ratio of the length of wires of metal A and B in order to have the same resistence

Answers

Answered by laxmansakate0

0

Answer:

resistance of a metal wire of length 25cm is 6.5ohm if the diameter of wire is 0.3mm , calculate the resistivity of metallic wire

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