What Is Bar Magnet? - Properties, Uses, Pole Strength, Types
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What Is Bar Magnet? - Properties, Uses, Pole Strength, Types
A bar magnet is a rectangular piece of an object that shows permanent magnetic properties and are made from the ferromagnetic substance. Cylindrical and rectangular bar magnets are the types of bar magnet. They are used in educational institutes.
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Using diagrams and written explanation, explain the magnetic field direction and strength around a bar magnet and an electromagnet. (5 marks)Explain the similarities and differences of a bar magnet and an electromagnet. (4 marks)Identify the characteristics of electromagnets that are variable (can be changed) and what effects each variable has on the magnetic field's strength and direction. (4 marks)
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