Answer:
The angle other than 90 degrees would result in magnetic flux of non zero magnitude.
Explanation:
The magnetic flux through a given closed area is equal to [tex]\underset{B}{\rightarrow}.\underset{A}{\rightarrow}[/tex].
Where [tex]\underset{B}{\rightarrow}[/tex] is the magnitude of magnetic flux through loop .
[tex]\underset{A}{\rightarrow}[/tex] is the area vector of the given loop .
We know that [tex]\underset{B}{\rightarrow}.\underset{A}{\rightarrow}[/tex] = [tex]\left | A \right |\left | B \right |\cos \theta[/tex],
Where [tex]\theta[/tex] is the angle made by magnetic field with area vector.
Area vector of a closed loop is always normal to the plane of the loop .
So from above equation we can deduce that
[tex]\theta = \cos^{-1}\frac{\phi }{\left | A \right |\left | B \right |}[/tex]
[tex]\phi[/tex] is the magnitude of magnetic flux which is non zero when [tex]\theta[/tex] not equal to 90 degrees.
