1.

A loop of wire is placed in a magnetic field B-0021TThen the flux through the loop if its area vectorA-30i+16j+23k cm2is(a) 60 uWb(b) 32 u Wb(d) 138 μ Wb

Answer»

since B = 0.02i T that is i direction.

so only i direction of area vectors will have flux

so flux = B.A = 0.02T×30cm² = 60μWb option A.



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