Physics, asked by janardhankavuri, 1 month ago

a
A wire of length Im and radius o.1mm has a
resistance of 100 ohms find the resistivity of the
material

Answers

Answered by swathisuresh042

0

Answer:

0.00314ohm

Explanation:

resistance=100ohm

length = 1000mm

radius=0.1mm

area of cross section = $\pi$ r^2 =22/7x0.1x0.1= 0.0314mm^2

Resistivity rho=RA/l = 100x0.0314/1000 =0.00314ohm

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