A rod of certain metal is 1 m long and 0.6 cm in diameter. It’s resistance is 3 × × 10 –3 Ω Ω . A disc of the same metal is 1 mm thick and 2 cm in diameter, what is the resistance between it’s circular faces.
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Verified by ExpertsThe correct answer is:
B
Resistivity of the material of the rod
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