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In a cartesian system, vector magnetic potential at a point (x,y,z ) is defined as
A
4.x ya, + 2y xa, – 3xyza, wb/m
-
The magnetic flux density at point (1, 0, 0) will be
2az
-4az
-2az
-3ax+3ay-2az
The total magnetic flux through the surface z = 4, 0< x< 1, -1 <y<4 will be
40
112/3
None of these
130/3

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