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An Electromagnet By Emon Savani | Global Stem Festival

In this video, I made an electromagnet. An electromagnet is a magnet in which we can increase or decrease its power and switch it on or off at any time. Electromagnets are widely used as components of other electrical devices, such as motors, generators, electromechanical solenoids, relays, loudspeakers, hard disks, MRI machines, scientific instruments, and magnetic separation equipment. Not only in these small day-to-day things but also in collecting trash, separating scrap, picking up cars in helicopters, and much more.