BITSAT 2007 Solved Question Paper
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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 is2.0 cm in diameter and 1.0 mm thick. What is the resistance between the round faces of the disc?
Another disc made of the same metal is
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