Physics, asked by microlabmanoj, 5 months ago

the resistivity of copper is 1.7×10^-8ohm metre.(a) what length of copper wire of diameter 0.1 mm will have a resistance of 34 Ohm?
(b) another copper wire of the same length but of half the diameter as the first is taken. what is the ratio of its resistance to that of the first wire?

Answers

Answered by Anonymous

Explanation:

the resistivity of copper is 1.7×10^-8ohm metre.(a) what length of copper wire of diameter 0.1 mm will have a resistance of 34 Ohm?

(b) another copper wire of the same length but of half the diameter as the first is taken. what is the ratio of its resistance to that of the first wire?

Answered by tavishabatra2

Explanation:

hope it helpss......,,,,,,,,,,

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the resistivity of copper is 1.7×10^-8ohm metre.(a) what length of copper wire of diameter 0.1 mm will have a resistance of 34 Ohm?(b) another copper wire of the same length but of half the diameter as the first is taken. what is the ratio of its resistance to that of the first wire?​

Answers

the resistivity of copper is 1.7×10^-8ohm metre.(a) what length of copper wire of diameter 0.1 mm will have a resistance of 34 Ohm?
(b) another copper wire of the same length but of half the diameter as the first is taken. what is the ratio of its resistance to that of the first wire?