Elementary Lessons in Electricity & Magnetism |
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Page 66
... opposite it , and cause the spikes to become elec- trified negatively , and to give off a negatively electrified ... kinds of charges on the two field - plates . This action will not occur unless the moving plate rotates in the direction ...
... opposite it , and cause the spikes to become elec- trified negatively , and to give off a negatively electrified ... kinds of charges on the two field - plates . This action will not occur unless the moving plate rotates in the direction ...
Page 81
... opposite kinds of electri- fication at opposite ends of a crystal of tourmaline , and of other crystals of the class already noticed as possessing the peculiarity of skew - sym- metry or hemihedry in their structure . Piezo ...
... opposite kinds of electri- fication at opposite ends of a crystal of tourmaline , and of other crystals of the class already noticed as possessing the peculiarity of skew - sym- metry or hemihedry in their structure . Piezo ...
Page 92
... opposite kinds of magnetism , or at any rate two opposite kinds of magnetic poles , which attract or repel one another in very much the same fashion as the two opposite kinds of electrification do ; and one of these kinds of magnetism ...
... opposite kinds of magnetism , or at any rate two opposite kinds of magnetic poles , which attract or repel one another in very much the same fashion as the two opposite kinds of electrification do ; and one of these kinds of 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