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What else can I help you with?
What are the advantages of using a battery instead of the mains electricity?
Chiefly portability and immunity to power blackouts.
What are the advantages and disadvantages of mains electricity?
Mains electricity is nothing but main source of power in an installation. From the mains the power is then branched out to different end usage.
What are advantages and disadvantages of using mains electricity?
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What is difference between battery and mains electricity?
Mains supply provides alternative current while battery provides direct current.
WHICH energy source to power a mobile phone?
Rechargeable battery or mains electricity.
This is written on the user manual of an electric shaver that it should be charged continuously and when the battery is low. Why is that?
The electric shaver appears to be capapble of operating on both mains electricity and the internal battery. Mains electricity will keep the battery recharged but if you use the battery to run the shaver then soon or latter the battery will run out of elctricity. Battery Low means No Working Shaver.
What do laptops eat?
they eat your memory. Its so annoying. And battery power. And mains electricity. And kebabs!?!?!?!
Do household battery chargers draw electrical power when not charging but remain plugged in?
Everything that is plugged into the mains socket and switched on will use electricity even if it's a battery charger with no batteries in. So yes they do draw electrical power from the mains.
Why some things need mains electricity and others need battery?
Portable devices that do not consume large amounts of power can be run on batteries. Some battery powered devices can also be powered by mains - running a 'battery eliminator' - to save from having to purchase batteries. Devices that consume large amounts of power are usually best powered by mains.
How electricity can help the laptop?
Any computer needs electricity to work. Laptop computers have an internal battery that powers the computer when you are away from your work desk. If you are return to your work desk or the battery is running out of charge you can still attach the laptop computer to mains electricity.
How is a TV powered?
A typical TV is powered by mains electricity. There are also 12 volt and battery versions for use in campers etc
Is a tape recorder an electronic device?
Yes, it has electronic components inside that are powered by electricity (either mains AC and or battery DC).
