Which of the following statements is false?

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(D) Magnetic field lines are imaginary lines that represent the magnetic field. Properties of magnetic field lines include: $1$. They emerge from the

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The magnetic field lines can cross each other.

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(D) Magnetic field lines are imaginary lines that represent the magnetic field. Properties of magnetic field lines include: $1$. They emerge from the $N$ pole and enter the $S$ pole outside the magnet,making their direction $N$ to $S$. $2$. They form continuous closed loops. $3$. The closeness of the lines indicates the strength of the magnetic field; closer lines mean a stronger field. $4$. Two magnetic field lines can never cross each other because if they did,there would be two directions for the magnetic field at the point of intersection,which is physically impossible. Therefore,the statement that magnetic field lines can cross each other is false.

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The direction of magnetic field lines in a region outside the bar magnet is $.....$

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Why are magnetic field lines closed curves?

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