What force is exerted on the water in an MHD drive utilizing a 25.0-cm-diameter tube, if
Chapter 22, Problem 36(choose chapter or problem)
What force is exerted on the water in an MHD drive utilizing a 25.0-cm-diameter tube, if 100-A current is passed across the tube that is perpendicular to a 2.00-T magnetic field? (The relatively small size of this force indicates the need for very large currents and magnetic fields to make practical MHD drives.)
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