Determine the current density in the wire

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The starter motor of a car engine draws an electric current of 42.0 A from the battery. The copper wire to the motor is 6.00 mm in diameter and 1.71 m long. The starter motor runs for 0.85 s before the car engine starts up. How much electric charge passes through the starter motor?

What is the current density in the wire?

Reference no: EM13246604

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