A College Text-book of PhysicsH. Holt, 1911 - 692 pages |
From inside the book
Results 1-5 of 71
Page vii
... Induction 348 Permeability , Diamagnetism , and Influence of Medium 350 ELECTROSTATICS . Electrification Law of Force and Distribution of Charge Induction Potential . Electrometers 355 359 363 374 378 Displacement Theory Condensers and ...
... Induction 348 Permeability , Diamagnetism , and Influence of Medium 350 ELECTROSTATICS . Electrification Law of Force and Distribution of Charge Induction Potential . Electrometers 355 359 363 374 378 Displacement Theory Condensers and ...
Page viii
... Induction 484 Electromotive Force of Induction 488 Self - Induction Energy in Induction and Lenz Law Induction Coil and Telephone Electromagnetic Units .. Dynamo Electric Machines and Motors I. Direct Current Dynamos 491 493 496 501 504 ...
... Induction 484 Electromotive Force of Induction 488 Self - Induction Energy in Induction and Lenz Law Induction Coil and Telephone Electromagnetic Units .. Dynamo Electric Machines and Motors I. Direct Current Dynamos 491 493 496 501 504 ...
Page 329
... Induction . - When the pole of a strong magnet is placed on the upper end of a short bar of steel which is clamped in a vertical position ( Fig . 255 ) , the steel becomes magnetic and will support a considerable mass of iron filings at ...
... Induction . - When the pole of a strong magnet is placed on the upper end of a short bar of steel which is clamped in a vertical position ( Fig . 255 ) , the steel becomes magnetic and will support a considerable mass of iron filings at ...
Page 330
... induction . 484. Magnetism Acts through Different Media . - Magnetism acts through most substances just as through air or vacuum . Take a powerful horseshoe magnet or , better still , an electro- magnet and place across its poles a thin ...
... induction . 484. Magnetism Acts through Different Media . - Magnetism acts through most substances just as through air or vacuum . Take a powerful horseshoe magnet or , better still , an electro- magnet and place across its poles a thin ...
Page 346
... induction inside of the magnet . The lines of force outside are also called lines of induction , as there is no distinction between the two except inside of a magnetic medium . What is called the positive direction of these lines is ...
... induction inside of the magnet . The lines of force outside are also called lines of induction , as there is no distinction between the two except inside of a magnetic medium . What is called the positive direction of these lines is ...
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Common terms and phrases
acceleration alternating current amount ampères angular armature axis ball beam body Boyle's law bulb calorimeter carbon cause cell centimeter circuit coil color condenser conductor connected constant copper cord crystal curve density diagram difference of potential direction disc discharge displacement distance dynes earth electric electrode electromotive force electroscope energy equal equilibrium flow focal length friction galvanometer gases glass gram heat induction iron J. J. Thomson lens Leyden jar light lines of force liquid magnetic field mass measured mercury metal mirror molecules moment of inertia motion moving needle negative number of lines parallel particles pass pipe placed plane plate polarized pole positive charge pressure prism radiation rays reflected refracted resistance right angles rotation shown in figure side sound spectrum substance surface temperature tones tube vapor velocity vessel vibration volts volume wave length weight wire zinc
Popular passages
Page 275 - It is hardly necessary to add that anything which any insulated body or system of bodies can continue to furnish without limitation cannot possibly be a material substance ; and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner in which heat was excited and communicated in these experiments except it be motion.
Page 574 - When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.
Page 103 - The squares of the periodic times of the planets are proportional to the cubes of their mean distances from the Sun.
Page 118 - Archimedes stated that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid.
Page 165 - We conclude that equal volumes of different gases at the same temperature and pressure contain equal numbers of molecules.
Page 7 - The straight line or distance between the centres of the transverse lines in the two gold plugs in the bronze bar deposited in the Office of the Exchequer...
Page 272 - Hypothesis states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules.
Page 22 - Change of momentum is proportional to the force and to the time during which it acts, and is in the same direction as the force; (3) To every action there is an equal and opposite reaction.
Page 32 - ... the perpendicular distance from the axis to the line of action of Axis FIG.
Page 179 - Kelvin has shown that if a drop of water were magnified to the size of the earth the molecules of water would be of a size intermediate between that of a cricket ball and of a marble.