Physics, asked by ABHIRAJE, 1 year ago

the resistance of a 1m long nichrome wire is 6 ohm.If we reduce the length of the wire to 70 cm. what will its resistance be?

Answers

Answered by rajkumarmishraow22c3
9
The resistance will be 4.2 ohms
Answered by lakshikaarora11
43
R = rho L/A

R is directly proportional to L
.6 ohm when length is 1m

when length 7cm = 6/1× 0.7
= 4.2 ohm.

hope this helps. :)
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