Elementary Lessons in Electricity & MagnetismMacmillan and Company, 1886 - 456 sider |
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Side 23
... disc of slightly smaller diameter made of metal , or of wood covered with tinfoil , and Fig . 12 provided with a glass handle . Shellac , or sealing - wax , or a mixture of resin , shellac , and Venice turpentine , may be used to make ...
... disc of slightly smaller diameter made of metal , or of wood covered with tinfoil , and Fig . 12 provided with a glass handle . Shellac , or sealing - wax , or a mixture of resin , shellac , and Venice turpentine , may be used to make ...
Side 24
... disc or " cover " is then placed upon the cake , touched momentarily with the finger , then removed by taking it up by the glass handle , when it is found to be powerfully electrified with a posi- tive charge , so much so indeed as to ...
... disc or " cover " is then placed upon the cake , touched momentarily with the finger , then removed by taking it up by the glass handle , when it is found to be powerfully electrified with a posi- tive charge , so much so indeed as to ...
Side 26
... disc on to the cake , touching it , and lifting it up , can be performed automatically by suitable mechanical arrangements , which render the production of these inductive charges practically continuous . The earliest of such contin ...
... disc on to the cake , touching it , and lifting it up , can be performed automatically by suitable mechanical arrangements , which render the production of these inductive charges practically continuous . The earliest of such contin ...
Side 31
... disc of sheet copper or of gilt paper fixed at the end of a small glass rod . If this disc is laid on the surface of an electrified body at any point CHAP . I. ] ELECTRICITY AND MAGNETISM . 31.
... disc of sheet copper or of gilt paper fixed at the end of a small glass rod . If this disc is laid on the surface of an electrified body at any point CHAP . I. ] ELECTRICITY AND MAGNETISM . 31.
Side 32
... disc . If such Fig . 18 . a proof - plane be applied to the outside of our electrified hollow ball , and then touched on the knob of an electro- scope , the gold leaves will diverge , showing the presence of a charge . But if the proof ...
... disc . If such Fig . 18 . a proof - plane be applied to the outside of our electrified hollow ball , and then touched on the knob of an electro- scope , the gold leaves will diverge , showing the presence of a charge . But if the proof ...
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Elementary Lessons in Electricity & Magnetism Silvanus Phillips Thompson Uten tilgangsbegrensning - 1894 |
Elementary Lessons in Electricity & Magnetism Silvanus Phillips Thompson Uten tilgangsbegrensning - 1902 |
Elementary Lessons in Electricity and Magnetism Silvanus Phillips Thompson Uten tilgangsbegrensning - 1921 |
Vanlige uttrykk og setninger
acid action æther ampères angle armature attracted ball battery brass carbon centimetre charge of electricity chemical circuit coil condenser conductor copper current flows Daniell's cells deflection diamagnetic dielectric difference of potential direction disc discharge distance earth earth's magnetism electric force electrical machine electrified body electromagnet electrometer electromotive-force electroscope electrostatic equal Faraday friction galvanometer glass rod gramme heat Hence hydrogen instrument insulated internal resistance inversely iron knob length Lesson Leyden jar light lines of force lines-of-force liquid magnetic force magnetic pole magnetic potential magnetic shell magnetised measured metal negative observed Ohm's law ohms opposite kind oscillations particles pass piece placed plate platinum polarisation positive produced proportional quantity of electricity repelled repulsion rotation round rubbed shown in Fig spark sphere steel strength substances sulphuric surface tangent tangent galvanometer thin torsion torsion balance touched tube turns voltaic volts wire zinc
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