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Standard XII

Physics

Electric Field Due to a Dipole Along the Equatorial Line

62.A conducti...

Question

62.A conducting rod of length l and mass m is moving down a smooth inclined plane of inclination theta with constant velocity v.A current i flowing in the conductor in a direction perpendicular to paper inwards.A vertically upwards magnetic field B exists in space.Then magnitude of magnetic field B is a)mg sin theta/il b)mg tan theta/il c)mg cos theta/il d)mg/il sin theta

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