Magnetic flux is maximum when the angle between the magnetic field and the normal to the plane of finite area is $0^{\circ}$ .

True

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False

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Solution

The correct option is A True
$Φ$ = B $\times$ A $\times$ (cos $θ$ ).
Where, $Φ$ = Magnetic flux,
B = magnetic field,
A = area of the plane, and
$θ$ = angle between the normal to the plane and the magnetic field.
The area and the magnetic field are constant. Hence, the magnetic flux will only depend on $θ$ .
When $θ$ = $0^{\circ}$ , $Φ$ = BA = $Φ_{m a x}$ as cos( $0^{\circ}$ ) = 1, which is the maximum value the cosine function can attain.

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Magnetic flux is maximum when the angle between the magnetic field and the normal to the plane of finite area is 0∘.

Magnetic flux is maximum when the angle between the magnetic field and the normal to the plane of finite area is $0^{\circ}$ .