close
    how much kilowatts to run one 75 watt lamp

    0  Views: 380 Answers: 1 Posted: 13 years ago

    1 Answer

    The bulb uses electricity at the rate of 75 watts.


    Watts are a rate of using electrical energy, equal to one Joule per second.


    Electric energy is also measured in watt-hours, equal to 3600 Joules. As the electric power company uses kW-hours, (1000 watt hours) we will use those.


    Your 75 watt bulb, if it burns for an hour, will use 75 watt-hours of electricity. Typical cost for electricity (check your bill) is 10¢ per kW-hr or per 1000 watt-hours. So in one hour your bulb uses 75/1000 x 10¢ or 0.75¢



    Top contributors in Other - Electronics category

     
    ROMOS
    Answers: 149 / Questions: 0
    Karma: 7245
     
    Colleen
    Answers: 294 / Questions: 0
    Karma: 4185
     
    country bumpkin
    Answers: 56 / Questions: 0
    Karma: 3675
     
    Ducky
    Answers: 32 / Questions: 0
    Karma: 1800
    > Top contributors chart

    Unanswered Questions

    Vn88observer
    Answers: 0 Views: 3 Rating: 0
    Tác Giả Nguyễn Khắc Định
    Answers: 0 Views: 10 Rating: 0
    BENQI
    Answers: 0 Views: 10 Rating: 0
    Go88
    Answers: 0 Views: 9 Rating: 0
    Indokasino
    Answers: 0 Views: 8 Rating: 0
    https://lx-88.jp.net
    Answers: 0 Views: 9 Rating: 0
    Keonhacai97com
    Answers: 0 Views: 6 Rating: 0
    go88mattwilsonceo
    Answers: 0 Views: 8 Rating: 0
    > More questions...
    562900
    questions
    779451
    answers
    925564
    users