Artificial magnets are preferred over natural magnets in most applications.

Artificial magnets can be shaped like a

Natural and artificial magnets

Why instantaneous rate is preferred over average rate?

Magnetic keepers help to retain magnetism.

Haploid plants are preferred over diploids for mutation studies, because

In preparation of hydrogen, zinc granules are preferred over pure zinc because they

Why graphite is preferred over grease as lubricating agent?

Optical fibre. communication is generally preferred over general communication system because

Why is the use of relative masses of atoms preferred over their actual masses ?

The magnetic field lines inside a bar magnet