When we think of the motor you will immediately get the visuals of a car motor or a bike engine, but we actually encounter other small motors in our daily life. Motors have changed the way we live. Even now you can find at least 3 to 5 electric motors around you or in your room. For example hairdryer, laptop cooling motor, or the motor spinning your hard drive, and small toy cars, electric fan, AC compressor motor, and many more. Electric motors have confirmed themselves that it is one of the most excellent discoveries of all time.
This tutorial will help you to understand how they work by developing a simple electric motor. This science project is for kids who are interested in electrical components. Also, this project helps kids to understand the working of motors easily.
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How does the motor rotate
Simply put electric motors convert electrical energy to mechanical work. To understand this concept easily take an ordinary wire and make it into a big loop and place it between two permanent magnets (one side north pole and the other side south pole). If you connect the two ends of the wire with a battery the wire will jump just like magic. Read further to understand the science behind it.
When current flows through a wire it creates a magnetic field around it and when the coil is placed in a magnetic field this temporary magnetic field interacts with the permanent magnet and you know the disliking and liking nature of magnets (same poles repel each other and different poles attract each other)
You can understand this more briefly with the help of fleming’s left-hand rule. Let’s start building the project. Below are the components required to build the simple electric motor:
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Note: Keep the end of the coil straight as possible to make the motor work smoothly.
Once started moving the coil will continue rotating until the battery is dead. This is a cool STEM project for kids they can do this project for thier science fair or school exhibition.
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