Elementary Treatise on Electricity and MagnetismLongmans, Green, and Company, 1896 - 576 páginas |
Dentro del libro
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Página xi
... unit jar PAGE 107-118 CHAPTER IX . ELECTRICAL MACHINES . 85. Electrical machines in general . 86. General mode of action . 87 . Law of increase of charge . 88. Frictional machines . 89. Unit jar . 90. Inductive machines - Thomson's ...
... unit jar PAGE 107-118 CHAPTER IX . ELECTRICAL MACHINES . 85. Electrical machines in general . 86. General mode of action . 87 . Law of increase of charge . 88. Frictional machines . 89. Unit jar . 90. Inductive machines - Thomson's ...
Página xvii
... UNITS . 366. Physical magnitudes . 367. Fundamental and derived units . 368. Choice of fundamental units . 369. Absolute units . 370. Di- mensions of derived units . 371. Mechanical units . 372. Electrical and magnetic units . 373.
... UNITS . 366. Physical magnitudes . 367. Fundamental and derived units . 368. Choice of fundamental units . 369. Absolute units . 370. Di- mensions of derived units . 371. Mechanical units . 372. Electrical and magnetic units . 373.
Página 12
... unit quantity of electricity , or unit electric charge , the quantity that must be imparted to each of two small spheres , so that , when placed unit distance apart in air , they may repel each other with unit force . The unit of force ...
... unit quantity of electricity , or unit electric charge , the quantity that must be imparted to each of two small spheres , so that , when placed unit distance apart in air , they may repel each other with unit force . The unit of force ...
Página 13
... units . This unit being very small in comparison with the quantities that come into account in many electrical phenomena , another unit , known as the coulomb , equal to three thousand million , 3 × 10o , times the unit just defined ...
... units . This unit being very small in comparison with the quantities that come into account in many electrical phenomena , another unit , known as the coulomb , equal to three thousand million , 3 × 10o , times the unit just defined ...
Página 16
... unit of volume , or the mean electric density , of the space . If the space is very small , the density at any point within it cannot differ appre- ciably from the mean density . Hence we may define the electric density at a given point ...
... unit of volume , or the mean electric density , of the space . If the space is very small , the density at any point within it cannot differ appre- ciably from the mean density . Hence we may define the electric density at a given point ...
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Otras ediciones - Ver todas
Elementary Treatise on Electricity and Magnetism George Carey Foster,Alfred William Porter Vista completa - 1909 |
Elementary Treatise on Electricity and Magnetism George Carey Foster,Edmund Atkinson Vista completa - 1896 |
Términos y frases comunes
acid action ampere angle axis ball battery boundary capacity cell centre charge chemical circuit coating coefficient condenser conducting connected consequently constant copper corresponding coulomb cylinder density dielectric difference of potentials discharge distance effect elec electric field electric force electrified body electrodes electromotive force electroscope element energy equal equation equilibrium equipotential surface experiment expressed external flux formula given glass Hence india-rubber induction inside insulated conductor intensity iron Joule's law joules junction knob Leyden jar lines of force machine magnetic magnetisation measured metal needle negative number of lines opposite direction outer surface parallel passes Peltier effect perpendicular plane plate pole positive electricity produced proportional quantity of electricity quantity of heat represented resistance result solid angle spark sphere strength suppose surface-density T₁ temperature terminals thermo-electric traversed tubes of force unit V₁ V₂ volt wire zinc
Pasajes populares
Página 458 - As a unit of resistance, the international Ohm. which is based upon the ohm equal to 109 units of resistance of the CGS system of electro-magnetic units, and is represented by the resistance offered to an unvarying electric current by a column of mercury at the temperature of melting ice, 14.4521 grammes in mass, of a constant cross-sectional area, and of a length of 106.3 centimetres.