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Question
Consider the situation of the previous problem. The directions of the magnetic field due to the dipole are opposite at
(a) P1 and P2
(b) Q1 and Q2
(c) P1 and Q1
(d) P2 and Q2
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Solution
(c) P1 and Q1
(d) P2 and Q2
We know that magnetic field lines are directed from the north pole to the south pole. From the given figure, we can say that the direction of the magnetic field `vecB` is opposite at points P1 and Q1 and at points P2 and Q2.
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