Question

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Answer 1

Explanation:

1) heat produced will not be same in 1st case as heat produced depends on i^2.R.t .......and here current in both the cases is same but there is change in resistance of wire due to their different lengths

2) it is also the same case as here resistance varies due to change in the area of cross section of wires .......

hope it helps uh .......

Answer 2

Answer:

it won't be equal cause resistance is directly proportional to the length and indirectly to the thickness of conductor.

$h = i {}^{2} rt$

So heat produced will be high if resistance is high ie when length is more and thickness is less