conclusion of magnetism
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The basic law of magnetism states that like poles repel and unlike poles attract. When an electric current is passed through a coil, the coil behaves like a magnet which is called electromagnet. The strength of this magnet is increased by inserting a core of suitable material
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The basic law of magnetism states that like poles repel and unlike poles attract. When an electric current is passed through a coil, the coil behaves like a magnet which is called electromagnet. The strength of this magnet is increased by inserting a core of suitable material.
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