A rod of a certain metal is 1.0 m long and 0.6 cm in diameter. Its resistance is 3.0 × 10 -3 ohm. Another disc made of the same metal is 2.0 cm in diameter and 1.0 mm thick. What is the resistance between the round faces of the disc
Text Solution
Verified by ExpertsThe correct answer is:
B
Resistivity of the material of the rod 
Resistance of disc 
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