An electric motor is a device used to convert electrical energy to mechanical energy. Electric motors are extremely important in modern-day life. They are used in vacuum cleaners, dishwashers, computer printers, machine tools, cars, subway systems, sewage treatment plants, etc, and you can make your own at home! Here’s how:
- Copper wire
- D battery
- Electrical tape
Coil the wire around a battery about 30 times. Wrap the extended ends of the wire through the coil, securing the coils in place.
Carefully file the enamel off of the bottom half of the extended portion of the wire.
Secure one wire post to each end of the battery, creating a small U-shape to cradle the coil.
Slide a magnet onto the battery.
Place the coil onto the posts and give it an initial spin!
Electricity will flow from the battery through the coil of wire. Moving electricity induces a magnetic field in the coil, which opposes the magnet half of the time, and is attracted the other half. Give it a flick and watch the electrical energy from the battery be converted into the mechanical spinning you see!
Written By: Mimi Garai