If a wire is doubled on it find the resistance of the new formation
With proof
varaddaithankar:
Brainliest answer
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Answered by
5
Explanation:
R=kl/A.....where k is some constant
length doubled l...2l
so Area...A...A/2
R will become 4 times
Answered by
2
R = row l/a
if a is double then
R = l/2a
the resistance will decreased
because a is inversely proportional to R and l is directly proportional
ur answer is wrong
sorry i suppose in question'a' is area of wire
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