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(a) What is the average power consumption in watts of an
Chapter 1, Problem 35PE(choose chapter or problem)
(a) What is the average power consumption in watts of an appliance that uses 5.00 kW ? h of energy per day? (b) How many joules of energy does this appliance consume in a year?
Questions & Answers
QUESTION:
(a) What is the average power consumption in watts of an appliance that uses 5.00 kW ? h of energy per day? (b) How many joules of energy does this appliance consume in a year?
ANSWER:Step-by-step solution Step 1 of 2 (a) The total energy consumed by the electric clock in a day is . As one is equivalent to Therefore, The total time in on day is The relation between the power of a device and energy consumed over a time period is Substitute the values of total time in on day is and energy consumed in the above equation The average power consumption in watts is