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[" 3.A magnetic wire of dipole moment "4...

[" 3.A magnetic wire of dipole moment "4 pi Am^(2)" is bent in the "],[" form of semicircle.The new magnetic moment is: "],[[" (a) "4 pi Am^(2)," (b) "8Am^(2)],[" (c) "4Am^(2)," (d) None of these "]]

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