hi everyone....
please solve with each n every step shown...i am marking brainliest...
thank you
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hi everyone....
please solve with each n every step shown...i am marking brainliest...
thank you
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Answer:
diameter = 0.2mm
radius = 0.1mm = 1 x 10^-4 m
area of cross section = πr²
= 22/7 x 10^-8 m²
resistance=resistivity x length/area of cross section
10 = resistivity x 1 / 22/7 x 10^-8
resistivity = 22/7 x 10^-7
or
resistivity = 3.14 x 10^-7ohm metre