(c) north-south
Reason — The Earth itself acts as a giant magnet. When the iron rod is aligned in the same direction as the Earth’s magnetic field lines (i.e., north-south direction), it gets magnetised due to magnetic induction.
(c) north-south
Reason — The Earth itself acts as a giant magnet. When the iron rod is aligned in the same direction as the Earth’s magnetic field lines (i.e., north-south direction), it gets magnetised due to magnetic induction.
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