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PolarNik [594]
2 years ago
8

A circular loop (radius of 20 cm) is in a uniform magnetic field of 0.15 T. What angle(s) between the normal to the plane of the

loop and the field would result in a flux with a magnitude of ?
Physics
1 answer:
Wittaler [7]2 years ago
8 0

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 \underset{B}{\rightarrow}.\underset{A}{\rightarrow}.

    Where \underset{B}{\rightarrow} is the magnitude of magnetic flux through loop .

                \underset{A}{\rightarrow} is the area vector of the given loop .

      We know that \underset{B}{\rightarrow}.\underset{A}{\rightarrow} = \left | A \right |\left | B \right |\cos \theta,

 Where \theta 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

                  \theta = \cos^{-1}\frac{\phi }{\left | A \right |\left | B \right |}      

      \phi is the magnitude of magnetic flux which is non zero when \theta not equal to 90 degrees.

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