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प्रश्न
Which of the following statements is correct?
विकल्प
Magnetic field lines do not form closed loops.
Magnetic field lines start from north pole and end at south pole of a magnet.
The tangent at a point on a magnetic field line represents the direction of the magnetic field at that point.
Two magnetic field lines may intersect each other.
MCQ
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उत्तर
The tangent at a point on a magnetic field line represents the direction of the magnetic field at that point.
Explanation:
Magnetic field lines do form closed loops; magnetic field lines do exist also from south pole to north pole inside the magnet, and two magnetic field lines never intersect each other.
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