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A properly insulated, tightly wound, 85 cm solenoid is made from wire that is 0.425 mm in diameter. When steady current flows through the

A properly insulated, tightly wound, 85 cm solenoid is made from wire that is 0.425 mm in diameter. When steady current flows through the solenoid, a potential difference of 29 V is measured across the solenoid terminals. The field inside the solenoid is measured to be 0.2 mT, and the cross section of the solenoid is 6 cm. What is the resistivity of the wire material? Number .

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