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Solve the following problems given below:

Problem I: How many Christmas tree lights drawing 5.00 W of power each could be run on a circuit operating at 1.20 102 V and providing 18.5 A of current?

Problem II: Find the cost to operate one such string 24.0 h per day for the Christmas season (two weeks), using the rate $0.13/kWh?

I want you to explain the physics in this problem.

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