Physics: A Textbook for CollegesGinn, 1931 - Počet stran: 770 |
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Strana 412
... cells . The ordinary electroscope is not sensitive enough to detect the charges on a single dry cell . For advanced work most laboratories Battery + 中 have electroscopes , such as the quad- rant electrometer , that are far more sen ...
... cells . The ordinary electroscope is not sensitive enough to detect the charges on a single dry cell . For advanced work most laboratories Battery + 中 have electroscopes , such as the quad- rant electrometer , that are far more sen ...
Strana 477
... cell . The total resistance is obtained from the law of parallel resistances . If N cells are connected in parallel , the electromotive force of each cell being e , and the internal resistancer , Ohm's law applied to the complete ...
... cell . The total resistance is obtained from the law of parallel resistances . If N cells are connected in parallel , the electromotive force of each cell being e , and the internal resistancer , Ohm's law applied to the complete ...
Strana 499
... cell . It is chemical energy that is stored in the cell , and not electricity . In order to facilitate the chemical actions that take place at the electrodes , none of the commercial forms of storage cells are built with plain ...
... cell . It is chemical energy that is stored in the cell , and not electricity . In order to facilitate the chemical actions that take place at the electrodes , none of the commercial forms of storage cells are built with plain ...
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acceleration amperes angle angular angular velocity atmosphere atoms axis ball body C.G.S. units called calories capacitance cell centimeters circuit coefficient coil Compute condenser conductor connected constant copper cubic density difference of potential direction distance dynes earth electric electromotive force electrons electroscope equation example exerts flow force acting frequency friction ft./sec gases given glass gram heat Hence horizontal induced iron joules kinetic energy lens light liquid magnetic field mass measured mechanical advantage mercury method mirror molecules momentum motion moving numerically equal Ohm's law ohms parallel piston plate pole pounds pressure produced pump quantity radiation radius rays resistance rotation shown in Fig simple simple harmonic motion specific gravity speed starting friction student surface surface tension temperature tion torque tube vapor vector velocity vertical vibrations voltage volts volume wave length weight wire