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Consider the following figure, a uniform...

Consider the following figure, a uniform magnetic field of 0.2 T is directed along the positive X-axis. The magnetic flux through top surface of the figure.

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The correct Answer is:
C
`therefore` Magnetic flux, `phi = BACostheta`
For the top surface, the angle between normal to the surface and the X-axis is `theta=60^(@)`.
`therefore phi=0.2 xx (10 xx 10 xx 10^(-4)) xx cos60^(@)`
`=10^(-3) Wb = 1m-Wb`
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