Essentials of physicsW.B. Saunders, 1896 - 319 pages |
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Page 260
... resistance of a given circuit can be increased or diminished without opening the circuit . The water rheostat introduces the resistance of water into the circuit : some change the length of a wire introduced , others employ resist- ance ...
... resistance of a given circuit can be increased or diminished without opening the circuit . The water rheostat introduces the resistance of water into the circuit : some change the length of a wire introduced , others employ resist- ance ...
Page 261
... resistance by comparison with a known resistance ( Fig . 120 ) . Let two conductors T FIG . 120 . G B whose resistance is known , A B and B C , be connected end to end with the poles of a battery , and let these ends , A and C , be also ...
... resistance by comparison with a known resistance ( Fig . 120 ) . Let two conductors T FIG . 120 . G B whose resistance is known , A B and B C , be connected end to end with the poles of a battery , and let these ends , A and C , be also ...
Page 265
... resistance . If we " short circuit " the current , r may be neglected , and 6E C = 1.8 X 6 6R 0.1 X 6 10.8 0.6 = = 18 ampères ; i . e . a battery of several elements produces in this case no more effect than a single element . This is ...
... resistance . If we " short circuit " the current , r may be neglected , and 6E C = 1.8 X 6 6R 0.1 X 6 10.8 0.6 = = 18 ampères ; i . e . a battery of several elements produces in this case no more effect than a single element . This is ...
Contents
BOOK I | 17 |
The Attractions of Matter | 26 |
Matter Force and Motion | 33 |
37 other sections not shown
Common terms and phrases
acid ampères angle aperture armature attraction axis barometer battery body called camera carbon cell chemical ciliary muscle circuit coil collodion colors concave condensing conductor connected containing convex convex lens cornea crystalline lens Describe direction disk dynamo electricity electro-magnet electrolysis eye-piece film focus force galvanometer gases gelatin glass gun-cotton H₂SO heat heliostat hydrometer induced currents induction instrument intensity iron Jefferson Medical College Leclanché cell lens lenses Leyden jar light liquid luminous machine magnet magnified Medical metal microscope mirror molecules motion needle negative object optic paper paper negatives parallel passes Philadelphia picture placed platinum polarized pole presbyopia pressure principle prints prism produced quantity rays reflected refraction resistance retina silver solid sound spectrum Spherical aberration substances surface Surgery telescope temperature Text-Book thermometer tion transmitted tube vapor velocity vessel vibrations vitreous humor voltaic volume weight wire