If a bar magnet is cut lengthwise into 3 parts, the total number of poles will be :

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Solution

The correct option is D 6
When a bar magnet is broken into finite number of pieces, each piece has two poles at its end, north pole and a south pole. Thus when a bar magnet is broken into 3 pieces, each piece acquires two poles about its ends.
Hence in total 6 poles are obtained.

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If a bar magnet is cut lengthwise into 3 parts, the total number of poles will be :

The correct option is D 6When a bar magnet is broken into finite number of pieces, each piece has two poles at its end, north pole and a south pole. Thus when a bar magnet is broken into 3 pieces, each piece acquires two poles about its ends.Hence in total 6 poles are obtained.

The correct option is D 6
When a bar magnet is broken into finite number of pieces, each piece has two poles at its end, north pole and a south pole. Thus when a bar magnet is broken into 3 pieces, each piece acquires two poles about its ends.
Hence in total 6 poles are obtained.