## An Introduction to the Mathematical Theory of Electricity and Magnetism |

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armature battery C. G. S. units called cell centimetre centre circuit coil component condenser constant copper Crown 8vo current flowing current passing deflexion denote density dielectric disc distribution ductor dynamo Edition Extra fcap electrical intensity electrical resistance electrodes electrolytic electrostatic energy equal equation equipotential surfaces galvanometer given conductor heat indefinitely small inside Introduction and Notes inverse joules junction Laplace's equation length lines of force M.A. Extra fcap M.A. Second Edition magnetic axis magnetic field magnetic induction magnetic intensity magnetic moment measured metals needle negative obtained plane pole position of equilibrium positive direction produced proportional quantity of electricity quantity of induction quantity of magnetic radius ratio right angles self-induction shell solenoid specific inductive capacity sphere substance surface of separation surface-density temperature tion tricity tube of force unit of resistance variations of potential velocity W. W. Skeat wire

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Page 229 - Edited by JAMES AH MURRAY, LL.D., sometime President of the Philological Society ; with the assistance of many Scholars and Men of Science. Vol.

Page 4 - ... proportional to the product of their charges and inversely proportional to the square of the distance between them; and this law is valid whether the charges are equal or unequal.

Page 117 - A current of unit intensity is such that when one centimetre length of its circuit is bent into an arc of one centimetre radius, it exerts a force of one dyne on a unit magnetic pole placed at its center.

Page 51 - An electric image is an electrified point, or system of points, on one side of a surface, which would produce on the other side of that surface the tame electrical action which the actual electrification of that turface really does produce.

Page v - This book has been written with the object of supplying an Introduction to the Mathematical Treatment of Electricity and Magnetism. ... It is complete in itself, and may be read without previous knowledge of the subject. Purely experimental parts of the subject, requiring no special mathematical treatment, have been entirely omitted.

Page 70 - Magnetic Potential. The potential at any point of a magnetic field is the work which would be done by the magnetic forces of the field upon a positive unit of magnetism as it moves from that point to an infinite distance.

Page 159 - JJenz's law, which is as follows : When a conductor is moving in a magnetic field, a current is induced in the conductor in such a direction as to oppose, by its mechanical action, the motion to which the induced current is due. Another way of stating...