Answer to Question #115860 in Electrical Engineering for Daniel

Question #115860
5. A battery of 9V supplies a current of 1A for 7 min. How much energy is supplied in this time?
1
Expert's answer
2020-05-14T14:37:47-0400

Given;

Voltage across the battery = 9V

Current across the battery = 1A

Time taken = 7 min

Solution

Power = voltage * current

            = 9*1

 Hence, = 9W

Energy = Power * time in seconds

           = 9 * 7(60)

 Thus,  = 3780J which is energy supplied in 7 min


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