1)You hold a wire coil so that the plane of the coil is perpendicular to a magne

Question

1)You hold a wire coil so that the plane of the coil is perpendicular to a magnetic field B .

a)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 is unchanged l 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 co is unchanged

Explanation / Answer

Magnetic flux linkage I given by

= BACos

Where = Magnetic Flux

B= strength of magnetic field

A= area of cross – section of coil

= It is the angle between B and A

Since Magnetic field here is directly proportional to magnetic flux hence

Flux Increases with the increase in magnetic field |B|

Answer = option 2

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