Magnetic Fields of Force: An Exposition of the Phenomena of Magnetism, Electro-magnetism, and Induction Based on the Conception of Lines of Force, Parte1Longmans, Green, and Company, 1897 - 297 páginas |
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Página 19
... closed figure , and let them be fixed in this position . Then let the two pole - pieces of a natural magnet be drawn repeatedly round the circuit of needles , always in the same sense . Magnetic effects will afterwards be discovered at ...
... closed figure , and let them be fixed in this position . Then let the two pole - pieces of a natural magnet be drawn repeatedly round the circuit of needles , always in the same sense . Magnetic effects will afterwards be discovered at ...
Página 24
... closed at one end , are sometimes magnetised so that their poles are at opposite sides of the cylindrical bounding surface . A steel ring may be magnetised so as to have poles at opposite ends of a diameter . All these forms . are of ...
... closed at one end , are sometimes magnetised so that their poles are at opposite sides of the cylindrical bounding surface . A steel ring may be magnetised so as to have poles at opposite ends of a diameter . All these forms . are of ...
Página 61
... closed in a case , and is furnished with a contrivance , called an arrestment , which serves to lift the needle off the point when not in use . To the Italian GIOVANNI GIOJA is due the device of attaching the needle to a divided circle ...
... closed in a case , and is furnished with a contrivance , called an arrestment , which serves to lift the needle off the point when not in use . To the Italian GIOVANNI GIOJA is due the device of attaching the needle to a divided circle ...
Página 68
... closed curve in the sense in which clock hands move . The direction of the magnetic force through a given fixed point will accordingly describe a conical surface in the same sense . The deviations of the needle from its mean position ...
... closed curve in the sense in which clock hands move . The direction of the magnetic force through a given fixed point will accordingly describe a conical surface in the same sense . The deviations of the needle from its mean position ...
Página 71
... closed curves which surround the magnetic poles at a greater or less distance . If we draw a line through those points for which the relative frequency of the polar light is the same that is , if we construct the so - called isochasmic ...
... closed curves which surround the magnetic poles at a greater or less distance . If we draw a line through those points for which the relative frequency of the polar light is the same that is , if we construct the so - called isochasmic ...
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Otras ediciones - Ver todas
Magnetic Fields of Force: An Exposition of the Phenomena of ..., Parte1 Hermann Ebert Vista completa - 1897 |
Magnetic Fields of Force: An Exposition of the Phenomena of ..., Parte1 Hermann Ebert Vista completa - 1897 |
Magnetic Fields of Force: An Exposition of the Phenomena of ..., Parte1 Hermann Ebert Vista completa - 1897 |
Términos y frases comunes
arrows axial axis of force bar magnet bobbin body bundle of lines circuit circular clockwise closed conductor copper wire corresponding cross-section Crown 8vo current flows current-conductor current-strength cyclic motion deflected determinate diamagnetic direction disc distance earth's magnetic earth's magnetic field electro-magnetic energy equal example Experiment field-intensity figure flux of force force due helix horizontal iron filings length line-of-force diagram lines of force lodestone magnetic field magnetic force magnetic influence magnetic lines magnetic moment magnetic needle magnetic pole magnetised measure medium mercury molecular magnets movable north pole north-seeking number of lines obtain parallel paramagnetic particles pass permeability perpendicular phenomena plane polarity portion position quantity rectilinear region ring rotation round sense side soft iron solenoid south pole steel straight strength suppose surface surrounding system of lines tangent galvanometer terminals thread tion toroid tube of induction tubes of force upper vertical vortex vortex lines wooden
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