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What is the difference between mains electricity and battery operated electricity?
Wiki User
∙ 8y ago
Batteries range in output voltage from 1.2 volts for an AA rechargeable, to 12 volts for a car battery. There may be other voltages, for special purpose applications. Batteries supply DC (direct current), meaning that the current will only flow in one direction.
What is considered "mains" electricity (from a plug or receptacle in the wall) is alternating current (the current is oscillating between flowing one direction, then the opposite direction then back and repeats). It oscillates at 50 or 60 times per second, depending on what country you live in. Also the voltage is between 100 volts and 250 volts, depending on the country, as well. These features enable the voltage to be changed up or down rather easily with transformer, and allow the electricity to be transmitted over long distances.
But the alternating current and higher voltages also make your mains electricity much more dangerous to touch than a battery. A person's skin has pretty good resistance to electric flow, especially direct current. But with alternating current, if you touch a wire, charges can actually form under the skin and start flowing through your body, because your skin acts as a capacitor. Then, the oscillating current back and forth through your organs is much more damaging, possibly causing your heart to stop pumping.
Wiki User
∙ 8y ago
Praveen MAYOORAN
Wiki User
∙ 8y agoIf by "mains" electricity you mean the electricity you get out of the wall socket, here are some differences:* The electricity from the socket is AC; batteries provide DC.
* The electricity from the socket is 220 volts or 110 volts (it depends on the country or region); batteries usually operate at a much lower voltage. For example, a car battery usually provides 12 volts.
* Compared to the energy from batteries, the energy from the sockets is usually cheaper, and available in much larger amounts.
Wiki User
∙ 8y agoMains is AC, alternating current where as battery operated is DC, direct current.
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