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Answer to Question #69084 in Electricity and Magnetism for DEVENDRA SINGH
Question #69084
A copper wire of diameter 1 mm and length 30 m is connected across a battery of
2V. Calculate the current density in the wire and drift velocity of the electrons. The
resistivity of copper is 1.72 × 10−8 Wm and n = 8.0 × 1028 electrons m−3.
2V. Calculate the current density in the wire and drift velocity of the electrons. The
resistivity of copper is 1.72 × 10−8 Wm and n = 8.0 × 1028 electrons m−3.
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