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It costs 2.6 cents to charge a car battery at a voltage of

Chapter 21, Problem 31P

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QUESTION:

Problem 31P

It costs 2.6 cents to charge a car battery at a voltage of 12 V and a current of 15 A for 120 minutes. What is the cost of electrical energy per kilowatt-hour at this location?

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QUESTION:

Problem 31P

It costs 2.6 cents to charge a car battery at a voltage of 12 V and a current of 15 A for 120 minutes. What is the cost of electrical energy per kilowatt-hour at this location?

ANSWER:

Step 1 of 3

Here we need to calculate the cost of electrical energy per kilowatt-hour at that location . If the current through the car battery is  follows for time. Also, the cost to charge the car battery is given to be is given to be 2.6 cents.

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