How To Use Bar magnet In A Sentence

The unpaired electron makes the atoms themselves act like spinning bar magnets, with a magnetic moment three orders of magnitude stronger than that of precessing nuclei.
The two polar molecules act like compass needles, which are small bar magnets.
Move a bar magnet near one or two coils to make a light bulb glow.
The magnetic state of a bar magnet or a horseshoe magnet is extremely complicated.
The bar magnet gets its overall magnetization because all of these little component magnets are pointing in the same direction, and add up for an overall effect.

Students will build and operate a simple magnetometer using a soda bottle and a bar magnet.
When the suitably insulated conductor is wound round a rod of soft iron it forms a bar magnet.
The direction of the magnetic lines of force set up by the bar magnet through the interpolar space is indicated by the long horizontal arrows, this flow being from the north pole (N) to the south pole (S) of the magnet. Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc.
The bar magnet gets its overall magnetization because all of these little component magnets are pointing in the same direction, and add up for an overall effect.
If you coil the wire into a solenoid the fields around the wire sum up and you get a magnetic field similar to that of a bar magnet on the outside but you get a uniform magnetic field on the inside.
The main component of the Sun's magnetic field is similar to a bar magnet, with a positive pole and a negative pole.
A homing pigeon with a small bar magnet attached to the back of its head takes much longer to fly home!