Question

Which of the following wires has the lowest resistance? Why is it correct?
A. a short, thick copper wire at 25° C
B. a long, thick copper wire at 35° C
C. a long, thin copper wire at 35° C
D. a short, thin iron wire at 25° C

Answer 1

answer is a

as thin decides area and more temp make electrons and proton also electrons and electrons collision. hence have more resistance

Answer 2

Kk.

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Hope it helps...