The Figure below shows a wood cylinder of mass m= 0.250kg and Length L = 0.100 m

Question

The Figure below shows a wood cylinder of mass m= 0.250kg and Length L = 0.100 m, with N = 10.0 turns of wire wrapped around it longitudinally, so that the plane of the wire coil contains the long central axis of the cylinder. The cylinder is released on a plane inclined at an angle ? to the horizontal, with the plane of the coil parallel to the incline plane. If there is a vertical uniform magnetic field of magnitude 0.500 T, what is the least current i through the coil that keeps the cylinder from rolling down the plane?

Explanation / Answer

The Figure below shows a wood cylinder of mass m= 0.250kg and Length L = 0.100 m

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