Question

Which of the two cables one of 2a and other of 10a will be thicker and why?

Answer 1

10 Ampere wire will be more thicker
because in high current wire electrons are also more so the current will also pass in more amount for that purpose its wire should be thicker and thicker wire have high resistivity to oppose the incoming of high current.

This is only purpose to have high ampere thicker wire and low ampere thinner wire.

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