Calculate the the resistivity of the material of a wire whose resistance is 5Omega, length 1m and radius 0.6mm.
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Answer:
R=resistivity(l/A)
Resistivity= R(A/l)
where
R= resistance
A= area of wire
l= length of wire
Resistivity= 0.011304 ohm meter
Explanation:
R= 5 ohm
l= 1 meter =1000mm
r=0.6 mm
Resistivity= R(A/l)
A= 2 pi r^2 (area of wire ie area of circle)
=2×3.14×.6^2
=2.2608
Resistivity = (5×2.2608)/1000
=0.11304 ohm meter is the answer
Thank you
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