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प्रश्न
If a magnet attracts a piece of metal, that piece must be made of ______.
विकल्प
any other metal but iron
magnetic material or iron
non-magnetic material
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उत्तर
If a magnet attracts a piece of metal, that piece must be made of magnetic material or iron.
संबंधित प्रश्न
Write true or false for a given statement.
A current-carrying coil, when suspended freely, can rest in any direction.
Define the following term regarding a bar magnet:
Magnetic field
A magnet remains steady in a ________ direction.
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
Artificial magnets are made in different shapes such as ______, _____ and _______.
The magnetic poles always exist in pairs.
