Sentence examples for using a bar magnet from inspiring English sources
The magnetite nanoparticle was separated using a bar magnet placed below the container and then rinsed with chloroform several times and finally with ethanol.
Using a bar magnet, rub the ring along the magnet for a minute or two to transfer magnetism to the ring.
The electric field in the light wave can then move this induced electric dipole around, just as you can use a bar magnet to shove a piece of iron around.
A magnetic field is generated by use of a bar magnet located below the surface.
Magnetic field lines, as illustrated by a bar magnet: a magnetic dipole.
Ferromagnetism — the simple magnetism of a bar magnet or compass needle — has been known for centuries.
A bar magnet suspended in Earth's magnetic field orients itself in a north south direction.
Magnetic field of a bar magnet (Credit: Wikimedia Commons).
Because they have the same north-south polarity as a bar magnet, the up-or-down orientation of the pole can be used to represent the 0 and 1 of binary computer memory.
Another way to map a bar magnet's field is to place the magnet on a piece of paper and use a magnetic compass to trace the field by placing it at a number of points and marking where the needle is drawn to one of the poles.
