Soft iron pieces are placed across the ends of bar magnet when stored. What are such pieces called?

Magnetic preservatives

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Magnetic keepers

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Magnetic refractors

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Magnetic reflectors

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Solution

The correct option is B Magnetic keepers
Soft iron pieces which are placed across the ends of bar magnet when stored are called magnetic keepers. These pieces of iron fit over the magnet's poles, helping it retain its magnetism during long period of storage.

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Similar questions

Explain the following :

(a) When two pins are hung by their heads from the same pole of a magnet, their pointed ends move apart.

(b) Several soft iron pins can cling, one below the other, from the pole of a magnet.

(c) The north end of a freely suspended magnetic needle gets attracted towards a piece of soft iron placed a little distance away from the needle.

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