The resistance of an electric wire of an alloy is 10 ohm. If the thickness of wire is 0.001 m and length is 1 m, find its resistivity.
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Given R=10 ohm
l=1 m
a=0.001 m
so by R=pl/a
resistivity = 0.01
l=1 m
a=0.001 m
so by R=pl/a
resistivity = 0.01
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0
Answer:
the answer is 785*10^4
Explanation:
rho= 220*5*5*10^4/7
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