Soft iron pieces are placed across the ends of a bar magnet while being stored. What are such pieces called?
A
Preservatives
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B
Keepers
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C
Compasses
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D
Poles
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Solution
The correct option is B Keepers Soft iron pieces which are placed across the ends of bar magnets while storing them, are called keepers. They fit over the magnet's poles, helping it retain its magnetism during long periods in storage.