Electromagnetism
Electric Transformer
Touch the screen to change the number of turns of the coil. What is the relationship between the number of coil turns and the voltage? * This simulation shows only the relationship…
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Homopolar Motor
The current flowing in the wire is in the X direction and the magnetic field is in the Y direction. In what direction is the electromagnetic force? ‘Homopolar motor’ refers to a…
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Magnetic Field around a Wire
You can drag the compass. Magnetic field is the area surrounding a magnet in which the magnetic force exists. The magnetic field is also formed around the conductor through which the current…
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Oersted’s Experiment
The phenomenon of magnetic fields around the current was discovered by the Danish physicist Oersted. Oersted showed students that as the current flows, the wires become hot. Then he was surprised to…
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