Assertion (A) : Magnetic field lines are continuous and closed
Reason (R) : Magnetic monopole does not exist.

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Both A and R are true and R is the correct explanation of A.

A is true but R is false

Both A and R are false

Both A and R are true but R is not the correct explanation of A

answer is A.

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Detailed Solution

Magnetic field lines are closed curves that emerge from the North pole of the magnet and enter the South pole, i.e. field lines outside the magnet run north to south, and field lines inside the magnet go south to north. This is because a magnetic monopole does not exist.

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