Question

A coil of wire of 20 turns has across sectional area of 0.1 m2. A magnetic field of 0.5T passes through the coil

parallel to the plane of the coil. What is the total magnetic flux through the coil?

Answer 1

The total magnetic flux through the coil

$$\Phi=NBA$$ $$\Phi=20*0.5*0.1=1.0\;\rm Wb$$