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Question

Satish magnetised a piece of iron marked W, X, Y and Z using the rubbing method as shown in the figure.


Which of these parts of the iron piece will become the north pole?


A
W
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B
X
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C
Y
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D
Z
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Solution

The correct option is A W
During the process, the direction of stroking happened from the end W. This develops the same polarity as the end of the stroking magnet facing the iron piece. So, W becomes the north pole.

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