Question : Magnetic keepers are pieces of:
Option 1: nickel
Option 2: cobalt
Option 3: steel
Option 4: soft iron
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Correct Answer: soft iron
Solution : The correct option is soft iron.
Magnetic keepers are used for storing magnets. Magnetic keepers are small pieces of soft iron. They are commonly constructed of soft iron or steel. They are frequently positioned across the poles or ends of a magnetic circuit or permanent magnet. The main goal of magnetic keepers is to keep the magnetic field from losing its magnetism.
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