Electrostatic lines of force are drawn such that they originate from positive charges and terminate on negative charges. They emerge perpendicular to the surface of the charged object and do not intersect each other. The density of lines indicates the strength of the electric field.
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No, electrostatic lines cannot intersect in a stable equilibrium because they represent the direction of the electric field at each point in space, and if they were to intersect, there would be multiple directions at the same point, which is not physically possible.
always towards the charge
Magnetic lines of force are called magnetic field lines.
A magnet with many lines of force refers to a strong magnetic field that is densely packed with magnetic field lines. These field lines represent the pathways along which the magnetic force acts, flowing from the magnet's north pole to its south pole. The density of these lines of force indicates the strength of the magnet's magnetic field.
Electric field lines are drawn with arrows to show the direction of the force that a positive test charge would experience if placed in the field. The direction of the electric field at any point is the direction that a positive test charge would move when placed in the field at that point.