Elements of PhysicsGinn, 1927 - 509 pages |
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Page x
... Cells Secondary Cells Heating Effects XV . INDUCED CURRENTS PAGE 230 242 263 313 The Principle of the Dynamo and Motor Dynamos The Prin- ciple of the Induction Coil and Transformer XVI . NATURE AND TRANSMISSION OF SOUND 345 Speed and ...
... Cells Secondary Cells Heating Effects XV . INDUCED CURRENTS PAGE 230 242 263 313 The Principle of the Dynamo and Motor Dynamos The Prin- ciple of the Induction Coil and Transformer XVI . NATURE AND TRANSMISSION OF SOUND 345 Speed and ...
Page xii
... Cell 300 A Small Electric - Light and Power Plant for Rural Homes The Early Edison Lamp and the Modern Gas - Filled Lamp Practical Uses of Resistance 301 308 309 Michael Faraday . 314 Induction Motor 315 Edison's First Electric ...
... Cell 300 A Small Electric - Light and Power Plant for Rural Homes The Early Edison Lamp and the Modern Gas - Filled Lamp Practical Uses of Resistance 301 308 309 Michael Faraday . 314 Induction Motor 315 Edison's First Electric ...
Page xiii
... Cell Tube with Water - Cooled Power Tube 467 Sir Joseph Thomson 472 X - Ray Picture of the Human Thorax 473 William Conrad Röntgen Antoine Henri Becquerel Madame Curie . E. Rutherford The Structure of Atoms 478 478 478 478 479 ELEMENTS ...
... Cell Tube with Water - Cooled Power Tube 467 Sir Joseph Thomson 472 X - Ray Picture of the Human Thorax 473 William Conrad Röntgen Antoine Henri Becquerel Madame Curie . E. Rutherford The Structure of Atoms 478 478 478 478 479 ELEMENTS ...
Page 257
... cell . FIG . 238. Electrostatic voltmeter Since the earth is , on the whole , a good conductor , its potential is everywhere the same ( § 293 ) ; hence it makes a convenient standard of reference in potential measure- ments . To find ...
... cell . FIG . 238. Electrostatic voltmeter Since the earth is , on the whole , a good conductor , its potential is everywhere the same ( § 293 ) ; hence it makes a convenient standard of reference in potential measure- ments . To find ...
Page 263
... cell and on the magnetic effects of a current . See , for example , Experiments 34 , 35 , 36 , 37 , and 38 of " Exercises in Laboratory Physics , " by Millikan , Gale , and Davis . Let the compass needle be deflected by a bar magnet 263 ...
... cell and on the magnetic effects of a current . See , for example , Experiments 34 , 35 , 36 , 37 , and 38 of " Exercises in Laboratory Physics , " by Millikan , Gale , and Davis . Let the compass needle be deflected by a bar magnet 263 ...
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Common terms and phrases
ammeter amperes armature ball body Boyle's law calories charge circuit coil condenser conductor connected copper cubic centimeter cylinder density direction distance dynamo earth electric electrical charge electroscope engine equal experiment fall feet flow force acting freezing friction galvanic cell galvanometer gases glass gram heat Hence hydrogen inch induced iron kinetic energy lamp lens Lenz's law lever Leyden jar lift light lines of force liquid machine magnetic field mass measured mechanical advantage mercury metal meter molecules motion motor move needle nonconductor Ohm's law ohms opposite pass pipe piston placed plane plate pole position pounds pressure produced pull pulley QUESTIONS AND PROBLEMS rays resistance rotation shown in Fig shows solid specific gravity speed steam substances surface temperature thermometer tion tube vacuum vapor velocity vessel vibration volts volume wave length weight wheel wire zinc
Popular passages
Page 92 - Every body continues in its state of rest, or of uniform motion in a straight line, unless it is compelled to change that state by forces impressed upon it.
Page 498 - And show me how they calculated the initiatory speed of our car?" "Yes, my worthy friend; taking into consideration all the elements of the problem, the distance from the center of the earth to the center of the moon...
Page 64 - ... is, the resultant of two parallel forces acting in the same direction is equal to the sum of the two forces.
Page 114 - ... work accomplished is measured by the product of the force acting and the distance through which it moves the body.
Page 2 - ... the inch, the hand, the foot, the fathom, the rod, the mile, etc., have been derived either from the lengths of different members of the human body or from equally unrelated magnitudes, and in consequence have been connected with one another by different, and often by very awkward, multipliers. Thus, there are 12 inches in a foot, 3 feet in a yard, 5^ yards in a rod, 1760 yards in a mile, etc. 4. Relations between units of length, area, volume, and mass. A similar and even worse complexity exists...
Page 163 - The calorie is the amount of heat that is required to raise the temperature of 1 gram of water through 1° C...
Page 25 - Therefore the specific gravity of a solid or a liquid body, is the ratio of its weight to the weight of an equal volume of water...
Page 284 - The resistance of any conductor is directly proportional to its length and inversely proportional to the area of its cross section or to the square of its diameter.
Page 128 - FIG. 228. slides up. When the force acting on the end of the lever has made one revolution, the weight which rests upon the top of the screw has evidently been lifted through a vertical distance equal to the distance between the threads. Has the hand which furnishes the power moved much farther than the weight has been lifted? For what purposes are jackscrews used ? The most common example of a screw is the bolt and nut. Why is a wrench used in turning a nut on a bolt ? The screw press and the vise...
Page 107 - If the cohesive force oF(Fig. 117) is strong in comparison with the adhesive force oE, the resultant oR will fall to the right of the vertical, in which case the liquid must be depressed about o. Whether, then, a liquid will rise against a solid wall or be depressed by it, will depend only on the relative strengths of the adhesion of the wall for the liquid and the cohesion of the liquid for itself.