## Course in Electro-mechanics, for Students in Electrical Engineering, 1st Term of 3d Year, Columbia University, Adapted from Prof. F.E. Nipher's "Electricity and Magnetism" |

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amount axis carrying a current charge Q condenser conductor Coulomb's law counter-electromotive force current in coil curve cylinder denoted density dielectric difference of potential directly proportional disc displacement distance dynamo dynes elec electric force electromotive force electrostatic element equation expression field of force force acting force cutting force due force enclosed force H force issue force per sq free charge induced charge induction per sq inner spheres intensity iron lines of force lines of induction lines per sq magnetic circuit magnetic field magnetic force magnetic potential magnetic shell magnetomotive force needle number of lines number of units passing permeability plane plate portion positive charge positive unit potential energy quantity of electricity radius rate of change shown solid angle specific inductive capacity surrounding tion total force total number tube of force unit charge unit current unit of electricity unit pole unit quantity wire carrying zero