2007-06-26 00:32:31 · 3 answers · asked by tel 1 in Science & Mathematics ➔ Chemistry
it is widely used in school/college laboratories
in resaearh lab. it is of immense use in R &D.
2007-06-26 00:36:40 · answer #1 · answered by k y 1 · 0⤊ 1⤋
Magnetic stirrer - coated magnet forced to rotate and stir a solution by a spinning magnet in the hotplate (not necessarily heating) beneath the container.
Physical separation of iron from non-magnetic materials in mixtures.
comparison between electromagnetic fields and pure magnetic fields.
bending of electric beams (in a vacuum)
etc
2007-06-26 07:45:54 · answer #2 · answered by big_george 5 · 0⤊ 0⤋
To check for the presence of substances which are attracted to magnets.
To check for the presence of electromagnetic fields (as a compass)
To induce an emf in a circuit (by moving the magnet to and fro)
To separate magnetically attracting substances from others.
2007-06-26 07:44:01 · answer #3 · answered by Swamy 7 · 0⤊ 0⤋