A rod of a certain metal is 1.0 m long and 0.6 cm in diameter. Its resistance is 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? |
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a) |
b) |
c) |
d) |
A rod of a certain metal is 1.0 m long and 0.6 cm in diameter. Its resistance is 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? |
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a) |
b) |
c) |
d) |
(b) Resistivity of the material of the rod Resistance of disc, |