A wire of length 1m and radius of 0.1mm has a resistance of 100ohm. Find resistivity?
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hey mate here is your answer ✌♥✌♥
it is given that
l=1m
r= 0.1mm
= 0.1×10^-3m
so area= πr²
=π(0.0001)²
=10^-8π
R=100ohm
so
resistivity=Ra/l
=100×10^-8π/1
=0.00000314
hope it will be helpful to you ✔✔
mark me brainliest ✌✌✌
it is given that
l=1m
r= 0.1mm
= 0.1×10^-3m
so area= πr²
=π(0.0001)²
=10^-8π
R=100ohm
so
resistivity=Ra/l
=100×10^-8π/1
=0.00000314
hope it will be helpful to you ✔✔
mark me brainliest ✌✌✌
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