Four identical iron bars were dipped in a heap of iron filings one by one. Fig. 13.5 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

Philoid · Accepted Answer

(a) In the given figure we can see that the iron bar in figure (a) attracts the maximum iron fillings. There (a) is the strongest magnet.

(b) Iron bar (b) is not a magnet as it does not attract any iron fillings.

Four identical iron bars were dipped in a heap of iron filings one by one. Fig. 13.5 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.