How a flashlight works
have you ever wondered what makes a flashlight work?
a flashlight consists of a lightbulb, a metal strip, a switch, a metal conductor, and one or more batteries. All of these parts come together to make a circuit, which is a continuous path of electricity. In most simple flashlights, two batteries are stacked one on top of the other, and are enclosed in a plastic cylinder. Electricity which is stored in the battery(s), flows like a stream through the parts of the flashlight in a circular motion or circuit. …
