Physics, asked by rameshkariyl, 11 months ago

A copper wire has a diameter of 0.5mm and a resistivity of 1.6 × 10-6 Ω cm. How much of this wire is required to make a 10 Ω coil? How much does the resistance change if the diameter is doubled?

Answers

Answered by AbdJr10

2

Answer:

If area will double than resistance becomes four times.

Explanation:

hope the answer will help you

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