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04-03-2020
Physics

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A current of 8 A exists in a copper (Cu) wire which has a diameter of 5 mm. What is the current density? Each atom of copper contributes one conduction electron, and the average thermal speed r k T m of an electron is 2.4 × 106 m/s . The mass

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nwandukelechi nwandukelechi

07-03-2020

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