Physics, asked by mriduls3233, 4 months ago

Resistance of ametal fire of length 1m is 26 ohm at 20 c if diameter of the wireis o. 3 mm what will be the resistivityof the metal wire at that temperature

Answers

Answered by ijazmehar33
1

Answer:

1.84 micro ohm meter

Explanation:

as

resistivity = RA/L

and A = pai r^2

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