Science, asked by mavanji, 7 months ago

if the length of wire is increased 4times .how current becomes 1/4?

Answers

Answered by atharv2303

0

Answer:

New resistance=n^2R

=16R

so new resistance becomes 16 times the original one.

Resistivity=p= R A/l

New Resistivity= R A/4l

So new Resistivity is 1/4 of previous one

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