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[" An iron rod of length "L" and magneti...

[" An iron rod of length "L" and magnetic moment "M" is bent in "],[" the form of a semicircle.Now its magnetic moment will be "],[" algina."],[[" (a) "M," infing "],[[" (c) "(M)/(pi),L=R^(AT)]],[" (c) "(M)/(pi),L=R^(AT)" (d) "M=R^(sin(2 pi)/(R))]]

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