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[" A magnetic needle of magnetic moment "6.7times10^(-2)Am^(2)" and moment of inertia "7.5times10^(-6)kgm^(2)" is perform."],[" ing simple harmonic oscillations in a magnetic field of "0.01T" .Time taken for "10" complete oscillations is: "],[" [JEE(Main) - "2017" ) "]

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