Math, asked by smile1122, 6 months ago

a wire has length l are a and resistence r ...then what will happen to its resistence when length is made 3 times and area is one third

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Answered by kiranrout2007

Answer:

When the wire is stretched to 3 times its original length, its cross section is also reduced to one third of what it was before. By using the above relation, we find the new resistance to be 3x3= 9 times of what it was before!

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a wire has length l are a and resistence r ...then what will happen to its resistence when length is made 3 times and area is one third​

Answers

a wire has length l are a and resistence r ...then what will happen to its resistence when length is made 3 times and area is one third