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Question

When a magnet is kept on a table and a compass is taken close to it, it points in a certain direction at every point near the magnet. When the points are joined, we obtain certain lines. Choose the correct statement(s) regarding the lines
1. The closer they are, the stronger the magnet.
2. They are imaginary lines which have a particular direction.


A

Only 1

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B

Only 2

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C

Both 1 and 2

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D

Neither 1 nor 2

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Solution

The correct option is C

Both 1 and 2


The lines obtained are magnetic field lines. They have a particular magnitude and direction at every point. Closer lines indicate a stronger magnetic field. However, these lines only come into existence when we join the points obtained by marking the direction which the compass points in. When the paper is taken away, there exist no lines. Hence, they are imaginary lines.


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