What is magnetic filed?

What are magnetic filed lines? How can the magnetic lines of force due to a bar magnet be shown?

Out of cobalt and zince salts, which is attracted in a magnetic filed? Why?

The ratio of magnetic fileds of a dipole at a distance d in the broadside - on position to end - on position is .

The ratio of magnetic fileds of a dipole at a distance d in the broadside - on position to end - on position is .

In an electron is not deflected when passing through a certain region of space, can we be sure that there is no magnetic filed in that region?

What is the direction of magnetic filed at the centre of a circular coil carrying current.

Which of the following atom would be rappled by magnetic filed ?

At the centre of a circular coil carrying current, the magnetic filed is________.

Write the expression for induced emf in a conductor moving in a magnetic filed at an angle of theta .