Question

give three properties of bar magnet and magnetic field lines..?

Answer 1

$\Large\underline\mathfrak{Question}$

Give three properties of bar magnet and magnetic field lines..?

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$\Large\underline\mathfrak{Properties of}$

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$\Large\bold\star\underline{\underline\textbf{Bar magnet \:}}$

→ A magnet attracts small pieces of magnetic material such as iron, steel, cobalt etc.

→ When a bar magnet is suspended freely, it always points in the north-South direction.

→ Like poles of a magnet repel each other and unlike poles attract each other.

→ Magnetic poles always exist in pairs.

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$\Large\bold\star\underline{\underline\textbf{Magnetic Field lines\:}}$

→ Magnetic field lines form continuous closed loops.

→ The tangent to the field line at a given point gives the direction of magnetic field at that point.

→ The strength of magnetic field is determined by the number of magnetic lines of force passing through unit area
» i.e. the larger the number of field lines
crossing unit area, the higher is the value of magnetic field and vice versa.

→ Two magnetic field lines never cross each other.










Hope it helped u.

$\huge\bold{\red{\ddot{\smile}}}$

Answer 2

Answer:

Properties of magnetic field around a bar magnet

The magnetic lines are always closed and continuous on both sides of the bar magnet. The lines move from north pole to south pole. They form loops. The magnetic lines do not intersect.