If a 500 Watt electric rice cooker consumes 0.75 kwh of electricity a day, how long does it actually work?

If a 500 Watt electric rice cooker consumes 0.75 kwh of electricity a day, how long does it actually work?


750W*H/500W=1.5H
1.5 hours a day



Jingjing's father brought back an electric rice cooker from abroad. The electric rice cooker is marked with "110V & nbsp; & nbsp; 1000W". Then the electric rice cooker works normally for 1min and consumes ()
A. 6×104JB. 1.1×105JC. 6.6×106JD. 545.4J


Working time t = 1min = 60s, power consumption w = Pt = 1000W × 60s = 6 × 104j



Rated power of 150W electric boiler, how much electricity per hour?
RT


1 ° electricity is 1 kwh, that is to say, if the electric appliance is 1000W, it needs 1 ° electricity in one hour, 150W of your electric cooker, 150 / 1000 = 0.15 °
Hope to help you



How to convert one degree to the watt of a bulb? How long can a 25 watt bulb last?


Once is equal to one thousand watt hours, that is to say, a kilowatt bulb can generate one degree of electricity in one hour, and 25 watt bulb can generate one degree of electricity in 40 hours