calculate the resistance of a hollow cylinder made of copper with inner radius 3 cm and outer radius 3.5 cm and is 12 cm long .(specific resistance of copper is 1.68 × 10^-8 ohm metre.)
Answers
Answer:
Explanation:
Given that: l = 1 m
Inner radii, r1 = 10 cm = 0.1 m ; Outer radii, r2 = 20 cm = 0.2 m
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