Q5 of 20 Page 79

A bar magnet is immersed in a heap of iron filings and pulled out. The amount of iron filling clinging to the

Poles have the maximum magnetic strength of equal intensity. Therefore, the amount of iron fillings attracted to both the boles will be almost equal.

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3

Three magnets A, B and C were dipped one by one in a heap of iron filing. Fig. 13.3 shows the amount of the iron filing sticking to them.


The strength of these magnets will be

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North Pole of a magnet can be identified by

 6

Fill in the blanks

(i) When a bar magnet is broken; each of the broken part will have ................ pole/poles.


(ii) In a bar magnet, magnetic attraction is ............... near its ends.

 7

Paheli and her friends were decorating the class bulletin board. She dropped the box of stainless steel pins by mistake. She tried to collect the pins using a magnet. She could not succeed. What could be the reason for this?