A field source carries two opposite poles bound together. Type the name for this kind of source.
A sphere can carry just one type of charge. Can a magnet carry just one pole, a lone north, say? Sawing a bar magnet in half between its poles, it seems you should get one piece of each.
The magnet refuses.
Imagine sawing a bar magnet in half. Each half has a north pole and a south pole. The cut does not separate the poles. It makes two smaller dipoles.
Casper saws a bar magnet in half between its poles. What does each half have?
A second cut leaves each quarter with both poles. However many times the magnet is cut, every piece has a north pole and a south pole.
Polly cuts a magnet into smaller and smaller pieces, hunting for a piece with only a north pole. Will any piece ever have only one pole?
Vera snaps a bar magnet in half, hoping the left piece keeps only the north pole. What does the left piece actually have?
Cutting a magnet makes two smaller dipoles, never an isolated pole.
So the left piece has a north pole and a south pole.
The left piece has both a north pole and a south pole.
A student says every magnet, however small, has both a north pole and a south pole. Is the student correct?
Which statement about magnetic poles is correct?
A bar magnet is sawed into four pieces, end to end. How many of the pieces have both a north pole and a south pole?
Which piece of metal could exist?