Elementary Treatise on Natural Philosophy, Volumen3D. Appleton, 1891 |
Dentro del libro
Resultados 1-5 de 42
Página 540
... vertical , and total intensities , 678 . Torsion - balance , 679. Declination theodolite , and declination magnet , 680. Dip circles , 681. Measurement of horizontal intensity , 682. Bifilar magnetometer and TABLE OF CONTENTS . vii ...
... vertical , and total intensities , 678 . Torsion - balance , 679. Declination theodolite , and declination magnet , 680. Dip circles , 681. Measurement of horizontal intensity , 682. Bifilar magnetometer and TABLE OF CONTENTS . vii ...
Página 560
... . This couple must be equal to the couple of torsion . The other component produces a small deviation of the suspending wire from the vertical . t EQUATION OF EQUILIBRIUM . 561 126 ° + 18 560 MEASUREMENT OF ELECTRICAL FORCES .
... . This couple must be equal to the couple of torsion . The other component produces a small deviation of the suspending wire from the vertical . t EQUATION OF EQUILIBRIUM . 561 126 ° + 18 560 MEASUREMENT OF ELECTRICAL FORCES .
Página 577
... vertically , and as the charge increases it is repelled further and further from the stem . In damp weather it will be observed to return to the vertical position almost immediately on ceasing to turn the machine , while in very favour ...
... vertically , and as the charge increases it is repelled further and further from the stem . In damp weather it will be observed to return to the vertical position almost immediately on ceasing to turn the machine , while in very favour ...
Página 614
... vertically . If , while matters are in this condition , we move B nearer to A , we shall see both the pendulums diverge , and on testing , we shall find that the pendulum B diverges with positive , and C with negative electricity . The ...
... vertically . If , while matters are in this condition , we move B nearer to A , we shall see both the pendulums diverge , and on testing , we shall find that the pendulum B diverges with positive , and C with negative electricity . The ...
Página 615
... vertical , we interpose between B and A a plate of sul- phur , shellac , or any other good insulator , the same effect will be produced as if B had been brought nearer to A. then , that the insulating plate of a condensing arrangement ...
... vertical , we interpose between B and A a plate of sul- phur , shellac , or any other good insulator , the same effect will be produced as if B had been brought nearer to A. then , that the insulating plate of a condensing arrangement ...
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