Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A hollow cylindrical conductor has length of 3.14 m, while its inner and outer diameters are 4 mm and 8 mm respectively. The resistance of the conductor is n x 10 -3 
.If the resistivity of the material is 2.4 x 10 -8 
m. The value of n is
Text Solution
Verified by ExpertsThe correct answer is:
2
(2)
the cross-sectional area is 
(b 2 - a 2 )
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