The following diagram shows 3 bar magnets marked as A, B and C respectively. These magnets were dipped in iron filings. By observing the figure, determine the order of magnetic strengths of the magnets A, B and C.

A>B>C

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A<B<C

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B>C>A

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A=B=C

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Solution

The correct option is A A>B>C
More iron filings would be clung to the magnet having greater magnetic strength. Hence A is the strongest and C is the weakest bar magnet.

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Question 3

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

The strength of these magnets will be

(a) A > B > C

(b) A < B < C

(d) A < B > C

Q. Three magnets were dipped one by one in a heap of iron filing. The figure shows the amount of the iron filing sticking to them.

If A, B, C represent the strength of the magnets, what will be the order of strength of these magnets?

Question 10

Four identical iron bars were dipped in a heap of iron filings one by one. Fig. shows the amount of iron filings sticking to each of them.

(a) Which of the iron bar is likely to be the strongest magnet?
(b) Which of the iron bars is not a magnet? Justify your answer.

Question 4

North pole of a magnet can be identified by

(a) Another magnet having its poles marked as North pole and South pole.

(b) Another magnet no matter whether the poles are marked or not.

(d) Using iron filings.

Q. Three bar magnets A, B and C are together as shown in the diagram. The poles of the magnet B are marked. Here N represents the north pole and S represents the south pole of the magnet.

Identify the south pole of the remaining two magnets.

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The following diagram shows 3 bar magnets marked as A, B and C respectively. These magnets were dipped in iron filings. By observing the figure, determine the order of magnetic strengths of the magnets A, B and C.

The correct option is A A>B>CMore iron filings would be clung to the magnet having greater magnetic strength. Hence A is the strongest and C is the weakest bar magnet.

The correct option is A A>B>C
More iron filings would be clung to the magnet having greater magnetic strength. Hence A is the strongest and C is the weakest bar magnet.