Physics, asked by aryansehgal7997, 11 months ago

The length of wire of resistance 1 ohm is doubled and area of cross
section is half what will be resistance

Answers

Answered by govindsharmazerofour
0

resistance is directly proportional to the length and inversly proportional to the area so the new resistance will be four times of the initial resistance

R'= 4R

as R= rho × l/A

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