Gorjamskiw

2023-02-25

Which of the following is not a property of magnetic field lines?
A)Magnetic field lines form closed loops;
B)Magnetic field lines move from north pole to south pole inside a magnet;
C)Magnetic field lines can never cross each other;
D)The relative strength of magnetic field is shown by the degree of closeness of magnetic field lines

### Answer & Explanation

Quincy Doyle

The ideal decision is A
Magnetic field lines move from north pole to south pole inside a magnet

Forming a closed loop are magnetic field lines.
They begin at the north pole before entering the south pole after turning around the bar magnet.
-They move inside the magnet from south pole to north pole.
Hence correct answer is b.
-The arrows on these lines tell the direction of magnetic fields.
-No two field lines are found to cross each other. If they did, it would mean that at that point of intersection, the compass needle would point towards two directions, which is not possible.
-Also the closer they are stronger is the field.

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