How are the properties of magnetic field lines similar to the properties of electric field lines?How...

How are the properties of magnetic field lines similar to the properties of electric field lines?How are they different? (at least three for each) Thanks for your help.

Expert Solution

Similarities between magnetic fields and electric fields:

Electric fields are produced by two kinds of charges, positive and negative. Magnetic fields are associated with two magnetic poles, north and south, although they are also produced by charges (but moving charges).
Like poles repel; unlike poles attract
Electric field points in the direction of the force experienced by a positive charge. Magnetic field points in the direction of the force experienced by a north pole.

Differences between magnetic fields and electric fields:

Positive and negative charges can exist separately. North and south poles always come together. Single magnetic poles, known as magnetic monopoles, have been proposed theoretically, but a magnetic monopole has never been observed.
Electric field lines have definite starting and ending points. Magnetic field lines are continuous loops. Outside a magnet the field is directed from the north pole to the south pole. Inside a magnet the field runs from south to north.

genius_generous answered 6 months ago

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