Other three basic forces are the gravitational force, weak nuclear force, and strong nuclear force. Electric forces and magnetic forces combine to give the electromagnetic force, which is one of the four basic forces of nature. Electric forces are the forces that occur due to electric charges whereas magnetic forces are the forces that occur due to magnetic dipoles. For example, electric force is parallel to electric field lines, whereas magnetic force on moving charges is perpendicular to magnetic field lines.Magnetic forces and electric forces are two forces that occur in nature. For example, the field direction is tangent to the line at any point in space. List the ways in which magnetic field lines and electric field lines are similar. ![]() (Consider the direction of the field at such a point.) Explain why the magnetic field would not be unique (that is, not have a single value) at a point in space where magnetic field lines might cross.Field strength is proportional to the line density.The field is tangent to the magnetic field line.Magnetic fields can be pictorially represented by magnetic field lines, the properties of which are as follows:. ![]() If magnetic monopoles existed, then magnetic field lines would begin and end on them. It is a distinct difference from electric field lines, which begin and end on the positive and negative charges. The last property is related to the fact that the north and south poles cannot be separated. They go from the north pole to the south pole.
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