The magnetic flux through a surface is the number of magnetic field lines penetrating through the surface.
You hold a wire coil so that the plane of the coil is perpendicular to a magnetic field B
If the magnitude of B increases while its direction remains unchanged, how will the magnetic flux through the coil change?
Check all that apply.
The flux is unchanged because the position of the coil with respect to B unchanged.
The flux increases because the magnitude of B increases.
The flux decreases because the magnitude of B increases.
The flux is unchanged because the surface area of the coil is unchanged.
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