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प्रश्न
State two properties of a bar magnet ?
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उत्तर
Properties of a bar magnet
- Attractive property : A magnet attracts small pieces of iron, cobalt or nickel.
- Directive property : A magnet when suspended freely, always point towards North and South direction.
- Like poles i.e. North and North or South and South poles repel each other.
- Unlike poles i.e. North and South attract each other.
- Poles always exist in pairs, i.e. poles of a magnet cannot be separated.
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