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Question

The value of magnetic field induction which is uniform is 2T. What is the flux passing through a surface of area $1.5 m^{2}$ perpendicular to the field?

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Solution

Magnetic field $B = 2 T$
Surface area $A = 1.5 m^{2}$
Angle between the magnetic field and the area vector $θ = 0^{o}$
So, magnetic flux $ϕ = B A cos θ = 2 \times 1.5 \times cos 0^{o} = 3 W b$

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