Three magnets A, B and C were dipped one by one in a heap of iron fillings. Figure shows the amount of iron fillings sticking to them.

The strength of these magnets will be:

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A > B > C

A < B < C

A = B = C

A < B > C

answer is A.

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Detailed Solution

The correct order of the strength of given magnets is A > B > C.
Magnets are naturally occurring substances which have the tendency to attract iron–like particles. Magnets are made up of different materials and are available in different shapes. Magnetic attraction is maximum near the ends of a magnet. These ends are called magnetic poles. One pole is the south pole, and another pole is the north pole. The magnet in which more iron fillings stick has more magnetic strength. So, from the figure, A has the most magnetic strength, then B and then C.

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