Question

The figure is a perspective view of a flat surface with area 3cm² in a uniform magnetic field B. The magnetic flux through this surface is 0.9mWb. Question: how much is the magnitude of the magnetic field?​

Answer 1

Answer:

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Answer 2

Answer:

The  magnetic field is 6000Wb

Explanation:

The area of the flat surface is, $A=3cm^2=3*10^{-4}m^2$.

The magnetic Flux is positive and is given as Ф$=0/9mWb$

The relation between magnetic flux and magnetic field is given as

Ф$=BA cos\theta$, From the figure it cab be seen that the angle that magnetic field makes with area is 60°.

Hence $B=\frac{\phi}{A cos60} =\frac{0.9}{3*10^{-4}*0.5}=6000Wb$.

The magnitude of magnetic field is 6000Wb.