A copper wire of cross-sectional area 2.40 × 10-6 m2 and length 3.40 m has a...

Question

Question

A copper wire of cross-sectional area 2.40 × 10-6 m2 and length 3.40 m has a current of 2.80 A uniformly distributed across t

science physics

Answer 1

Answer #1

apply energy density 0 2 2 0 0236 (2.80)2-t 0.0236 f 20 66

Answer 2

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