Magnetic Effects of Current and Magnetism: JEE Main 2017 Physics question

JEE Main 2017 · Session, Shift 1 · Q7611

JEE Main 2017Session, Shift 1PhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

A magnetic needle of magnetic moment 6.7

\times

10⁻² A m² and moment of inertia 7.5

\times

10⁻⁶ kg m² is performing simple harmonic oscillations in a magnetic field of 0.01 T. Time taken for 10 complete oscillations is:

JEE Main 2017 · Session, Shift 1 · Q7611

JEE Main 2017Session, Shift 1PhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

A magnetic needle of magnetic moment 6.7

\times

10⁻² A m² and moment of inertia 7.5

\times

10⁻⁶ kg m² is performing simple harmonic oscillations in a magnetic field of 0.01 T. Time taken for 10 complete oscillations is:

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