If an electric water heater uses 40 kW of power and runs for 8 hours, what is the total amount of energy used?
a. 5 kilowatt-hours
b. 32 kilowatt-hours
c. 48 kilowatt-hours
d. 320 kilowatt-hours
In a parallel circuit with three bulbs,
a. the bulbs must all be located on the same branch.
b. there is only one path for the current to take.
c. current from each bulb has its own path.
d. the overall resistance increases ...
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