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Home Q & A Board Science-Related Homework Help Physics
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lfontes lfontes
wrote...
11 years ago
Today i measured that i am using 7.5 amps total in my house , so now i want to calculate how many 7.5 amps into units form soo that i can figure it out how much my electricity bill should be !! , And please convert this 7.5 amps to watt form as well , Please describe it in full detail with all calculations , Thank u !
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wrote...
#1
11 years ago
watts = volts x amps

you have two different voltages in your house: 120V and 240V

If the circuit you measured is on a 120V line, then 120 x 7.5 = 900 watts
Your electric bill is metered in kilowatt hours.
If you pay 10 cents per kilowatt hour, then operating a 1000 watt (1 kilowatt) appliance for 1 hour a day will cost 30 kilowatt hours or $3.00 per month
A 900 watt power load will cost $2.70 per month
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