Electricity as a motive power, by count T. du Moncel and F. Geraldy, tr. and ed. by C.J. Wharton |
Inni boken
Resultat 1-5 av 51
Side 8
... length connected by an iron cross bar , as shown in Figs . 3 and 4. The bars are then called the arms , and the magnetising bobbin , instead of FIG . 1 . FIG . 2 . U FIG . 3 . FIG . 4 . covering the whole magnetic system , is divided ...
... length connected by an iron cross bar , as shown in Figs . 3 and 4. The bars are then called the arms , and the magnetising bobbin , instead of FIG . 1 . FIG . 2 . U FIG . 3 . FIG . 4 . covering the whole magnetic system , is divided ...
Side 16
... length of wire wound upon them , and for this there is no necessity for the magnetising coil to be broken at each tubular core thus formed . The advantage of these arrangements , from a scientific point 16 Electricity as a Motive Power .
... length of wire wound upon them , and for this there is no necessity for the magnetising coil to be broken at each tubular core thus formed . The advantage of these arrangements , from a scientific point 16 Electricity as a Motive Power .
Side 17
... root of the diameter of the iron core and to the fourth root of its length ; so that when all these quantities are variable together , the magnetic moment is found when all the values are multiplied together Introduction . 17.
... root of the diameter of the iron core and to the fourth root of its length ; so that when all these quantities are variable together , the magnetic moment is found when all the values are multiplied together Introduction . 17.
Side 18
... length of the iron core : and these conditions of maximum may be stated in the following manner : — 1. For electro - magnets of the same dimensions having bobbins of the same diameter , the best sized wire for the coils is that which ...
... length of the iron core : and these conditions of maximum may be stated in the following manner : — 1. For electro - magnets of the same dimensions having bobbins of the same diameter , the best sized wire for the coils is that which ...
Side 19
... length for the mag- netic core is eleven times its diameter ; which means practically , that each arm of the electro- magnet should be six times the length of its diameter ; 6. If there are branch circuits , the resistance of an electro ...
... length for the mag- netic core is eleven times its diameter ; which means practically , that each arm of the electro- magnet should be six times the length of its diameter ; 6. If there are branch circuits , the resistance of an electro ...
Vanlige uttrykk og setninger
Académie des Sciences acting action apparatus applied armature arrangement attractive force axis battery bobbin brake brushes Bunsen cells centimetres circular cloth commutator conductor constructed copper core crank crown 8vo cylinder described developed diameter direction distance dynamo edition effects electric current electro-magnets electromotive force employed Engineers experiments exterior circuit fixed Froment furnished give Gramme machine heat horse-power increase induction inductor insulated intensity inventor kilogrammes kilogrammetres length lever locomotive magnetic core magnetic field magnetising magnetising coils Marcel Deprez means mechanical ment metal metres Miesbach millimetres motion motive power motor movable movement necessary obtained pieces plates poles principle produced proportion quantity rails railway receiver residual magnetism resistance reversed revolving ring rods rotary rotation seen shaft shown in Fig Siemens similar soft iron solenoid speed Steam steam-engine stroke tension tion transport of force Treatise tricity Trouvé tube turn utilised wheel wire zinc
Populære avsnitt
Side 318 - A Descriptive Treatise on Mathematical Drawing Instruments : their construction, uses, qualities, selection, preservation, and suggestions for improvements, with hints upon Drawing and Colouring. By WF STANLEY, MRI Fifth edition, with numerous illustrations, crown 8vo, cloth, 5-?. Spons' Architects and Builders Pocket-Book of Prices and Memoranda.