First calculate the power: P = I2R. Power will be in watts. Then multiply power x time to get the total amount of energy transferred. If the time is in seconds and the power in watts, the energy will be in joules. (In this case you need to convert the time to seconds first.)
The main breaker limits the overall current to the building. Most buildings have many branch circuits that sum to more current than the service is rated for. This is not a problem as all the branch circuits are not used under high current draws at the same time. The main breaker protects the main wiring in the meter and to the transformer, and the transformer itself, from heavy current loads. It also protects from shorts in the main distribution panel.
Track and Field or swimming.
You might mean Mondrian or Victor Vaserely.
logical and orderly-NovaNet
A graphics output device that draws lines with a continuously moving pen on a sheet of paper rolled around a rotating drum
By far a toaster draws more current than a light bulb.
The voltage is the main power of a toaster!! but if the current flow is low the heat of the toaster is less heat that you expect, the 8 A is right for your toaster!!!
Electrical
Here are a couple. Assuming everything is "normal" here, if you drop a bagel in the toaster and turn it on by pushing the lever down, the AC current the toaster uses (draws) will stabilize after a few seconds and stay constant. If you turn on your car's headlights, each lamp will draw a constant current from the DC source after a few seconds of "warm up" time. Those are examples of constant electric current.
yes they do, in fact the toaster draws power more when it is not in use
It depends on how much current is being drawn. If your device draws 1 milli-amp of energy, it will run for 900 hours. If your device draws 450 milliamps (mA) of energy it will run for 2 hours.
375 kj
1.7amp
Both a tornado and a vacuum generate low pressure that draws air inward.
100/220 = .45A or 450 mA
No, they overheat and chip out a draws too much current.
I have no idea