Math, asked by neeturani9113, 11 months ago

a copper wire has a diameter 0.5 mm and resistivity 1.6×10^-8 ohm metre. How much will be the resistance of another copper wire of same length but half the diameter?

Answers

Answered by mvpatel1973

Step-by-step explanation:

Ris proportional to l and inversely to Area. R=resistivity constant x length/area. Then it is simple. find it out. I think it will be 4 times the resistance of first copper wire. check it oit.

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a copper wire has a diameter 0.5 mm and resistivity 1.6×10^-8 ohm metre. How much will be the resistance of another copper wire of same length but half the diameter?​

Answers

a copper wire has a diameter 0.5 mm and resistivity 1.6×10^-8 ohm metre. How much will be the resistance of another copper wire of same length but half the diameter?