[" A metal ring of radius "r=0.5m" with ...

[" A metal ring of radius "r=0.5m" with its plane normal to "],[" a uniform magnetic field "B" of induction "0.2" T carries a "],[" current "1=100A" .The tension in newtons developed in "],[" the ring is "],[[" (A) "100,=200 pi],[" (C) "25," (D) "10=200 pi]]

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[" A metal ring of radius "r=0.5m" with its plane normal to "],[" a uniform magnetic field "B" of induction "0.2" T carries a "],[" current "1=100A" .The tension in newtons developed in "],[" the ring is "],[[" (A) "100,=200 pi],[" (C) "25," (D) "10=200 pi]]

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