residential bathroom is served by a 120 V branch circuit that has four loads connected in parallel: an W space heater, a 500 W blow dryer, a 75 W room light, and a 50 W mirror light. a) What is the current at each of the four loads? b) What is the total current in the branch circuit? c) The lights operate for 5 hours per day throughout the year, the blow dryer for 150 hours per and the heater for 10 hours per day during the winter (100 days per year). What is the total annual By use in kWh?
residential bathroom is served by a 120 V branch circuit that has four loads connected in parallel: an W space heater, a 500 W blow dryer, a 75 W room light, and a 50 W mirror light. a) What is the current at each of the four loads? b) What is the total current in the branch circuit? c) The lights operate for 5 hours per day throughout the year, the blow dryer for 150 hours per and the heater for 10 hours per day during the winter (100 days per year). What is the total annual By use in kWh?
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Transcribed Image Text:4) A residential bathroom is served by a 120 V branch circuit that has four loads connected in parallel: an
800 W space heater, a 500 W blow dryer, a 75 W room light, and a 50 W mirror light.
a) What is the current at each of the four loads?
b) What is the total current in the branch circuit?
c) The lights operate for 5 hours per day throughout the year, the blow dryer for 150 hours per
year, and the heater for 10 hours per day during the winter (100 days per year). What is the total annual
energy use in kWh?
d) What is the annual energy costs if electricity rates are 10 cents per kWh?
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