No, it should not use any electricity when off. If it is, you have a short or a ground.
A standard lamp will not use any electricity when it is off.
No. When the switch is open, off position, no current flows. The light needs current to operate.
No.
no
you use up energy and it is turned into heat
Some appliances that use electricity even when turned off include televisions, computers, and chargers.
If it is plugged in, it uses 15% of the electricity it would normally use if it were on. Always unplug your appliances.
Yes. Not as much but if it is plugged in it will still use some power.
Appliances that use the most electricity when turned off are typically those with standby power modes, such as TVs, computers, and gaming consoles. These devices continue to consume energy even when not in use.
No electricity can be used or wasted if the lamp itself is turned off. It makes no difference if it has been turned off at the wall outlet or at the lamp itself. It is the same situation as a flashlamp that has a light bulb supplied by a battery. If the flashlamp is switched off the battery inside it is still there, waiting to feed the light bulb with current, but the current can only flow into the light bulb when the switch on the flashlamp is turned on.
No, hair dryers do not have electricity flowing through them when they are turned off. The switch interrupts the flow of electricity from the outlet to the hair dryer, ensuring it is safe to handle and store when not in use.
Because a lit lamp use energy. Switch it off and you save energy.