Absolute Measurements in Electricity and MagnetismMacmillan and Company, 1889 - 384 sider |
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Side 155
... density 12. The copper sulphate may be kept saturated by crystals dropped into a glass tube passing down through a hole in the zinc plate to the copper . A copper wire well covered with gutta percha should be used as the electrode of ...
... density 12. The copper sulphate may be kept saturated by crystals dropped into a glass tube passing down through a hole in the zinc plate to the copper . A copper wire well covered with gutta percha should be used as the electrode of ...
Side 163
... density there . Lord Rayleigh has used as voltameter a platinum bowl as kathode , and a silver plate as anode . This cell , though it has several advantages , is more difficult to * See a paper on the ' Electrolysis of Silver and Copper ...
... density there . Lord Rayleigh has used as voltameter a platinum bowl as kathode , and a silver plate as anode . This cell , though it has several advantages , is more difficult to * See a paper on the ' Electrolysis of Silver and Copper ...
Side 167
... density of current ( current strength per unit of area of plate ) which gives the most adherent and in the case of silver most finely crystalline deposit . When silver is used there is a tendency , if the plate be too large or two small ...
... density of current ( current strength per unit of area of plate ) which gives the most adherent and in the case of silver most finely crystalline deposit . When silver is used there is a tendency , if the plate be too large or two small ...
Side 168
... density of the current for them should be less than one ampere to 400 sq . cms . If the anodes are of rolled sheet silver the surface skin should be polished off with fine silver sand , and the plate washed in distilled water before ...
... density of the current for them should be less than one ampere to 400 sq . cms . If the anodes are of rolled sheet silver the surface skin should be polished off with fine silver sand , and the plate washed in distilled water before ...
Side 170
... density deposits are obtained which are much more solid and adherent than those of silver , and there- fore much more easily dealt with . As in the case of silver the anode should be of much greater area than the opposed surface of the ...
... density deposits are obtained which are much more solid and adherent than those of silver , and there- fore much more easily dealt with . As in the case of silver the anode should be of much greater area than the opposed surface of the ...
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amperes angles arrangement balance battery brass C.G.S. units C₂ cell centimetres centre coil comparison condenser conductor connected constant convenient copper cross-sections current flowing current strength deflection denote density described determined difference of potential dimensional formula distance E₁ electrical efficiency Electricity and Magnetism electrodes electromagnetic electromotive force electrostatic equal equation fixed give given graduated grammes Hence horizontal induction instrument insulated joined in series kathode Lord Rayleigh machine magnetic field means ment method motor movable ring n² L² nearly needle numerical obtained Ohm's law ohms piece placed plane plate points pole position potential galvanometer practical unit quantity of electricity r₁ R₂ ratio rheostat round scale screws self-induction shown in Fig Sir William Thomson slider sliding standard surface temperature terminals thick turned unit of length V₁ V₂ velocity vertical voltmeter volts vulcanite wattmeter weight Wheatstone's Bridge wire wire coils zero
Populære avsnitt
Side 385 - With the Mathematical Elements of Music. Designed for the Use of Students in the University. Second Edition, revised and enlarged. Crown 8vo. gs. A TREATISE ON MAGNETISM. Designed for the Use of Students in the University.