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Assume you are given a Nichrome wire that has a 3.4 x10-6 m2 cross section and...

Assume you are given a Nichrome wire that has a 3.4 x10-6 m2 cross section and the length of it is L. If the power is 4500 W when a potential difference of 68 V is applied, calculate L. (ρ= 5.4x10-7 Ω.m.)

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