Magnetism and M...

A toroid wound with 60.0 turns/m of wire carries a current of 5.00 A. The torus is iron, which has a magnetic permeability of μ_m = 5000μ₀ under the given conditions. H and B inside the iron are

A cube-shaped permanent magnet is made of a ferromagnetic material with a magnetization M of about 500A/m.The side of cube is 20 cm. Magnetic dipole moment of the magnet is.

Permeability of a paramagnetic material is expected to decrease with increasing temperature because

If a magnet is suspended over a container of liquid air, it attracts droplets to its poles. The droplets contain only liquid oxygen and no nitrogen because

Which of the following features of atomic structure determine whether an element is diamagnetic or paramagnetic

Correct unit of Bohr magneton is

Diamagnetic susceptibilities are very nearly temperature independent because

A powerful magnet attracts

Which of the following are best suited to make the core of a transformer?

The value of Curie temperature for $$Ni$$ is nearly 

Two magnetic lines of force:

A freely suspended magnetic needle will always come to rest in which direction ?

Which of the following statements given below is not true in the context of magnetic lines of force ?

The space around a magnet where its influence can be detected is called ..............

Which of the following is/are true for "magnetic lines of force around a bar magnet"?

Magnetic lines of force can pass through:

Magnetic lines do not intersect one-another because: