A) A - North, B-North
B) A - North, B-South
C) A - South, B ? South
D) A - South, B-North
Correct Answer: B
Solution :
'One touch method' of preparing the magnet is shown in the figure. In this method the pole produced at the end of the nail, where the friction starts is same as the pole of the magnet which is in contact with nail. Hence North Pole will be produced at A and South at B.
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