A Laboratory manual of physics and applied electricity v. 1, Том 1Macmillan Company, 1894 |
Загальні терміни та фрази
abscissas acceleration accurate Addenda adjust angle angular apparatus axis battery Boyle's Law bulb calorimeter cell charged body coefficient computed condenser conductor connected cord corresponding cross-section current flowing density determined diameter difference of potential direction displacement distance electricity electromotive force equal equation equipotential equipotential surfaces eter experiment focal length follows friction galvanometer deflection heat horizontal hydrometer inertia Kater's pendulum knife-edges known least squares lens lines of force liquid machine magnetic field main circuit mass means measured mercury method middle elongation moment of inertia observations obtained Ohm's law ohms ordinates oscillation pendulum physical pith-ball placed plat a curve poles position potential difference pressure probable error proportional pulley quantity ratio readings scale scale-pan screw simple harmonic motion specific gravity spherometer straight line surface suspended tangent galvanometer telescope temperature thermometer tion tube values velocity vertical vibration volume weight Wheatstone bridge wire
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Сторінка 153 - Ampere, which is one-tenth of the unit of current of the CGS system of electromagnetic units and which is represented sufficiently well for practical use by the unvarying current which, when passed through a solution of nitrate of silver in water, in accordance with a certain specification, deposits silver at the rate of 0.001118 of a gramme per second.
Сторінка 203 - As a unit of resistance, the international ohm, which is based upon the ohm equal to 10" units of resistance of the CGS system of electromagnetic 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 grams in mass, of a constant cross-sectional area and of the length of 106.3 centimetres.
Сторінка 294 - Prelector of St. John's College, Cambridge. AN ELEMENTARY TREATISE ON MECHANICS. For the Use of the Junior Classes at the University and the Higher Classes in Schools.
Сторінка 291 - Wright (Lewis). — LIGHT ; A COURSE OF EXPERIMENTAL OPTICS, CHIEFLY WITH THE LANTERN. By LEWIS WRIGHT. With nearly 200 Engravings and Coloured Plates. Crown 8vo. Js. 6d. ASTRONOMY. Airy. — POPULAR ASTRONOMY. With Illustrations by Sir GB AIRY, KCB, formerly Astronomer'Royal.
Сторінка 292 - IDs. 6d. nett. Russell— ELECTRIC LIGHT CABLES AND THE DISTRIBUTION OF ELECTRICITY.
Сторінка 293 - Cotterill.— APPLIED MECHANICS : an Elementary General Introduction to the Theory of Structures and Machines. By JAMES H. COTTERILL, FRS...
Сторінка 154 - The liquid should consist of a neutral solution of pure silver nitrate, containing about 15 parts by weight of the nitrate to 85 parts of water. The resistance of the voltameter changes somewhat as the current passes. To prevent these changes having too great an effect on the current, some resistance besides that of the voltameter should be inserted in the circuit.
Сторінка 56 - ... plus the mass of the body multiplied by the square of the distance between the two axes.