Question

What is magnetic flux linked with any surface?

विकल्प

• The total number of magnetic lines of force passing normally through it

• The number of field lines leaving a closed surface

• The change in magnetic flux with time

• The number of field lines entering a closed surface

Answer 1

Magnetic flux measures the magnetic field lines passing through a surface. It is defined in terms of the total number of magnetic lines of force passing normally through the surface.