Q.

Which of the following statements is correct?

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a

Magnetic field lines do not form closed loops.

b

Magnetic field lines start from north pole and end at south pole of a magnet.

c

The tangent at a point on a magnetic field line represents the direction of the magnetic field at that
point.

d

Two magnetic field lines may intersect each other.

answer is C.

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Detailed Solution

Case (a) Magnetic field lines always form closed loop.
Case (b) as magnetic field lines are closed loop, there is no start or end of lines
Case (c) yes, tangent to lines represents the direction of magnetic field at that point.
Case (d) two field lines can never intersect each other.

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