If you have two similar bars, one a magnet and another a piece of iron. Can you find out which one of these is a magnet?

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Solution

Activity
Take two thin cardboards and place each bar user the cardboard upon the table. Now put the iron fillings on it. Gently tap the cardboard.
The iron fillings will get arranged according to the magnetic field lines in case of a magnetic while in case of iron, no observation would be made.

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If you have two similar bars, one a magnet and another a piece of iron. Can you find out which one of these is a magnet?

ActivityTake two thin cardboards and place each bar user the cardboard upon the table. Now put the iron fillings on it. Gently tap the cardboard.The iron fillings will get arranged according to the magnetic field lines in case of a magnetic while in case of iron, no observation would be made.

Activity
Take two thin cardboards and place each bar user the cardboard upon the table. Now put the iron fillings on it. Gently tap the cardboard.
The iron fillings will get arranged according to the magnetic field lines in case of a magnetic while in case of iron, no observation would be made.