How To Turn On A Light Bulb With A Battery. The battery used for this build. Electrons flow out of the negative terminal of the battery through the bulb and back into the positive side of the battery.
If you have a piece of fruit a couple of nails and some wire then you can generate enough electricity to turn on a light bulb. The internal battery charges as it lights the room so as long as you turn it on regularly its always charged. Light a light bulb with a potato battery.
What You Need.
The process is simple. Watch the light bulb light up. This will cause your light to turn. When using a battery to turn on the light bulb its highly important that the battery and the light bulb match in terms of power requirements.
