The magnetic field lines:

(a) intersect at right angles to one another
(b) interest at an angle 45° to each another
(c) do not cross one another
(d) cross at an angle of 60° to one another

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Solution

(c) do not cross one another
The magnetic field lines do not cross one another because the resultant force at any point on the north pole can only be in one direction. This is impossible if the lines intersect.

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The magnetic field lines: (a) intersect at right angles to one another (b) interest at an angle 45° to each another (c) do not cross one another (d) cross at an angle of 60° to one another

(c) do not cross one another The magnetic field lines do not cross one another because the resultant force at any point on the north pole can only be in one direction. This is impossible if the lines intersect.

The magnetic field lines:

(a) intersect at right angles to one another
(b) interest at an angle 45° to each another
(c) do not cross one another
(d) cross at an angle of 60° to one another

(c) do not cross one another
The magnetic field lines do not cross one another because the resultant force at any point on the north pole can only be in one direction. This is impossible if the lines intersect.