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Magnetic field lines is considered one of the most asked concept.
24 Questions around this concept.
The magnetic lines of force inside a bar magnet
The Magnetic lines of force inside a bar magnet
Three identical bars A, B and C are made of different magnetic materials. When kept in a uniform magnetic field, the field lines around them look as follows :
Make the correspondence of these bars with their material being diamagnetic (D),ferromagnetic (F) and paramagnetic (P) :
Below figures (1) and (2) represent lines of force. Which is a correct statement
In the case of bar magnet which of the following is true about magnetic lines of force :
The lines of force due to a bar magnet
The magnetic field line due to a bar magnet is correctly shown in
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The magnetic line of force inside a bar magnet
S is the surface of a lump of magnetic material.
A. Lines of B are necessarily continuous across S.
B. Some lines of B must be discontinuous across S.
C. Lines of H are necessarily continuous across S.
D. Lines of H cannot all be continuous across S.
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason(R).
Assertion (A) : Magnetic monopoles do not exist.
Reason (R) : Magnetic field lines are continuous and form closed loops.
In the light of the above statements, choose the most appropriate answer from the options given below :
Important points regarding Magnetism-
i.e. If a magnet is broken into a number of pieces each piece becomes a magnet.
Magnetic field-
Space around a magnetic Pole or magnet or current-carrying wire within which its effect can be experienced.
Magnetic field lines-
The magnetic field line is not real. The magnetic field lines are a visual and intuitive realization of the magnetic field.
Properties of magnetic field lines-
For the below figure, the tangent to the magnetic field line at point P represents the direction of the net magnetic field ($\vec{B}$) at point P.
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