A lightning bolt strikes one end of a steel lightning rod, producing a 15300-A current burst...

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Physics

A lightning bolt strikes one end of a steel lightning rod,producing a 15300-A current burst that lasts for 67 μs .The rod is 2.5 m long and 2.3 cm in diameter, and its other end isconnected to the ground by 38 m of 8.5-mm-diameter copper wire.

A) Find the potential differencebetween the top of the steel rod and the lower end of the copperwire during the current burst.

Express your answer using two significant figures.

B) Find the total energydeposited in the rod and wire by the current burst.

Express your answer using two significant figures.

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