Elementary Lessons in Electricity & Magnetism |
Contents
Part First CHAPTER I | 1 |
CHAPTER III | 11 |
Electroscopes | 15 |
Copyright | |
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acid amperes angle armature attracted ball battery brass capacity carbon cell charge of electricity circuit coil condenser conductor copper current flows deflexion diamagnetic dielectric difference of potential direction discharge disk distance dynes earth earth's magnetism elec electric force electrified body electromagnet electrometer electromotive-force electroscope electrostatic equal Faraday field-plates friction galvanometer glass rod grammes heat Hence hydrogen induction influence machines instrument insulated inversely kathode knob length Lesson Leyden jar lines of force liquid magnetic field magnetic force magnetic lines magnetic pole magnetic potential measured metal move negative charge ohms opposite kinds particles pass piece placed plate polar positive charge produced proportional quantity of electricity repelled repulsion resistance rotating round rubbed shown in Fig spark sphere square centimetre steel strength substances surface tangent tend thin tion torsion torsion balance touched tricity tube turns unit volts wire zinc