An electric hot water heater is used to heat a 20-gallon tank of water from 60°F to 130°F in 100 minutes. a. Determine the wattage rating of the heater unit. b. Assuming that the heater unit is used on a 230-volt, 60 Hz service, find the current in amperes taken by the heater unit and the resistance of the unit.
An electric hot water heater is used to heat a 20-gallon tank of water from 60°F to 130°F in 100 minutes. a. Determine the wattage rating of the heater unit. b. Assuming that the heater unit is used on a 230-volt, 60 Hz service, find the current in amperes taken by the heater unit and the resistance of the unit.
Chapter32: Standby Power Systems
Section: Chapter Questions
Problem 5R
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