A lightning bolt strikes one end of a steel lightning rod, producing a 14700-A current burst...

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Physics

A lightning bolt strikes one end of a steel lightning rod,producing a 14700-A current burst that lasts for 63 μs.The rod is 2.2 mm long and 2.3 cm in diameter, and its other end isconnected to the ground by 30 mm of 7.8-mm-diameter copperwire.

A.) Find the potential difference between the top of the steelrod and the lower end of the copper wire during the currentburst.

B.) Find the total energy deposited in the rod and wire by thecurrent burst.

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