Name
the parts where the strength of the magnetic field is:
(i)
maximum (ii) minimum
How
will density of magnetic field lines differ at these parts.
Answer:
(i) Maximum magnetic field is in the region
A and C.
(ii)
Minimum magnetic field is in the region B.
Reason:
A and C are magnetic poles and have maximum number of magnetic field lines
which determine the intensity of magnetic field while B is centre of the magnet
has no magnetic field lines. So intensity of magnetic field near B is almost
zero.
The relative strength of the magnetic field is shown by the
degree of closeness of the field lines. The degree of closeness is more at X
than at Y. Therefore, the field is stronger at X where the field lines are
crowded.
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