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A20 mm diameter wire of length 20 m has a resistance of 0.25 0. What is the resistivity (in 10-80 m) of the wire?
A20 mm diameter wire of length 20 m has a resistance of 0.25 0. What is the resistivity (in 10-80 m) of the wire?
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A20 mm diameter wire of length 20 m has a resistance of 0.25 0. What is the resistivity (in 10-80 m) of the wire?
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