Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
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Resultados 1-5 de 36
Página 541
... magnet ; Biot's hypothesis , 685 . Changes of declination and dip , 686 ... magnet on current , 712 . Sine galvanometer , 714. Tangent galvanometer , 715. Multiplier , 716. Differential galvanometer ... ELECTRO - DYNAMICS . Electro - dynamics.
... magnet ; Biot's hypothesis , 685 . Changes of declination and dip , 686 ... magnet on current , 712 . Sine galvanometer , 714. Tangent galvanometer , 715. Multiplier , 716. Differential galvanometer ... ELECTRO - DYNAMICS . Electro - dynamics.
Página 542
... magnets , 792. Astatic circuits , 793. Ampère's theory of magnetism , 794 . Rotation of magnet under influence of current , 795. Magnetization by currents , 796 . Electro - magnets , 797. Residual magnetism , 798 , CHAPTER LIX ...
... magnets , 792. Astatic circuits , 793. Ampère's theory of magnetism , 794 . Rotation of magnet under influence of current , 795. Magnetization by currents , 796 . Electro - magnets , 797. Residual magnetism , 798 , CHAPTER LIX ...
Página 677
... electro - magnetism ; and the two following methods are now almost exclusively employed by the makers of magnets . 1. A fixed electro - magnet ( Fig . 436 ) is employed , and the bar to Ռ Fig . 436 . Methods of Magnetization . Fig ...
... electro - magnetism ; and the two following methods are now almost exclusively employed by the makers of magnets . 1. A fixed electro - magnet ( Fig . 436 ) is employed , and the bar to Ռ Fig . 436 . Methods of Magnetization . Fig ...
Página 678
... electro- magnet must be very powerful , and the bar then adheres to it so strongly that the operation above described becomes difficult of exe- cution , besides scratching the bar . Hence it is more convenient to move along the bar , as ...
... electro- magnet must be very powerful , and the bar then adheres to it so strongly that the operation above described becomes difficult of exe- cution , besides scratching the bar . Hence it is more convenient to move along the bar , as ...
Página 679
... magnets laid end to end , the ends which are in contact being similar poles . Thus the ... magnet generally increases with its size , but not in simple proportion ... electro - magnetism , which affords the means of obtain- ing temporary ...
... magnets laid end to end , the ends which are in contact being similar poles . Thus the ... magnet generally increases with its size , but not in simple proportion ... electro - magnetism , which affords the means of obtain- ing temporary ...
Términos y frases comunes
acid action angle apparatus armature arrangement attraction axis ball battery binding-screws body called carbon cells centimetres centre charge circuit condenser conductor connected consists copper copper plate copper wire current is passing cylinder deflection denote diamagnetic difference of potential disc discharge distance earth effect electrical machine electrified electro-magnet electro-motive force electrolysis electroscope employed energy equal experiment galvanometer glass gutta percha heat Hence horizontal increase inner coating instrument insulated intensity inversely junction knob length Leyden jar lines of force liquid magnetic force magnetic meridian mercury metal millimetre mirror galvanometer motion movable needle negative observed obtained opposite direction outer coating parallel perpendicular plane poles portion positive electricity produced quantity of electricity repelled represented in Fig repulsion resistance revolving rotation round shellac side solenoid spark surface suspended telegraph temperature terrestrial magnetism Thomson effect tion tricity tubes of force unit V₁ velocity vertical wire zinc