Q. 14.0( 2 Votes )

A square of side A. 2 B0 L2Wb.

B. 3 B0 L2Wb.

C. 4 B0 L2Wb.

D. √29 B₀ L2Wb.

Answer :

As we know that area vector is perpendicular to the plane of any polygon. So here square is in x-y plane then its area vector in z direction i.e.

Also we know, magnetic flux is the dot product of magnetic field vector and area vector

Given that putting the value of B and A in above equation i.e.

As we know that same unit vector is 1 and rest of all are zero because î,ĵ, k are all perpendicular to each other i.e.

So option c is matching with our solution rest are not.

Therefore, (c) is the correct answer.

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