English, asked by Prajnya4809, 1 year ago

the length of a wire of resistance 1 ohm is doubled and area of cross section is made half . what will be the new resistance

Answers

Answered by kxur
5

the new resistance will become four times.

R=ρl/A

New Resistance (R')=ρ(2l)/(1/2)A

R'=ρ(4l)/A

Answered by afifa1901
1

Answer:

the new resistance will become four time

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