the form of energy changes and the total of energy increases
they only use electricity when an appliance is plugged in and switched on
If your laptop is turned on and it looks like it's plugged in, the batter could possibly be dead or the connection from the outlet to the computer has a problem.
You cooked it
Hot hair in blowen out which tends to absorb the moisture from your hair .
No, an electric can opener does not use electricity when it is not in use, provided it is unplugged from the power outlet. If it remains plugged in but is not turned on, it typically does not consume significant energy, as most modern appliances have low standby power consumption. However, to ensure no energy usage at all, it is best to unplug the device when not in use.
If the outlet is powered with the key off, then yes it will slowly drain the battery.
No, a lamp will not work if you disconnect it from the wall outlet. The outlet provides the electrical power necessary for the lamp to function, so without that connection, the lamp has no source of electricity. Even if the lamp is plugged in but turned off, it still requires a connection to the outlet to operate.
This is also known as phantom power or vampire power. Even though an electric device is turned off, it is still drawing a small amount of power. A television, for example, continues to draw power so that it can sense the remote control to turn it on, or to keep the time. Other examples are chargers left plugged in for telephones, video games, etc.
I believe it would get cold..
That the outlet only has power when the ignition is turned on.That the outlet only has power when the ignition is turned on.
it is not recommended to use your cell phone when charging, this could cause the circuits to short. Ideally you should charge your battery when your phone is turned off
The formula you are looking for is I = W/E. W = kW x 1000.