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 AW 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.