Which among the following is the property of lines of force?

Question

Which among the following is the property of lines of force?

They are always originating on a S-pole and terminating on N-pole, external to the magnet
They prefer a path with most opposition
Each line of force forms an open loop
Lines of force never intersect each other

LohaHridoy

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2025-01-04 04:42

1 Answers

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AhmedNazir · Accepted Answer · 2022-09-04T04:29:57+06:00

Option 4 : Lines of force never intersect each other

The property of lines of forces are as follows:

The electric lines of forces start from a positive charge and end on a negative charge.
The electric lines of forces always enter or leave the charged surface normally.
The electric lines of forces can never intersect each other.
The field is strong when the lines are close together, and it is weak when the field lines move apart from each other.
The number of field lines is directly proportional to the magnitude of the charge.

The electric lines of forces can never intersect each other because, at the point of intersection, two tangents can be drawn to the two lines of force. This means that there are two directions of the electric field at the point of intersection, which is not possible.