Elements of Construction for Electro-magnetsE. & F. N. Spon, 1883 - 86 sider |
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Side 4
... bobbins or the two arms of the electro - magnets ; c . The bore of the bobbins , or what we may suppose to be identical , the diameter of the magnetic core ; g . The diameter of the wire of the coils , including the insulating covering ...
... bobbins or the two arms of the electro - magnets ; c . The bore of the bobbins , or what we may suppose to be identical , the diameter of the magnetic core ; g . The diameter of the wire of the coils , including the insulating covering ...
Side 6
... bobbins of any electro - magnet when we have measured the thickness of the wire and the depth of the coils , which are easy to obtain , since it is only necessary to measure the exact length of the bobbin from one edge to the other , to ...
... bobbins of any electro - magnet when we have measured the thickness of the wire and the depth of the coils , which are easy to obtain , since it is only necessary to measure the exact length of the bobbin from one edge to the other , to ...
Side 9
... bobbins a wire of a given size , to produce , with the given resistance R , the best results ? In the first instance , the variation is in the diameter g of the wire , in the second in that a of the bobbin . If we consider that in the ...
... bobbins a wire of a given size , to produce , with the given resistance R , the best results ? In the first instance , the variation is in the diameter g of the wire , in the second in that a of the bobbin . If we consider that in the ...
Side 10
... bobbins of the same diameter , the most advantageous size of wire for the coils is that which will render their resistance equal to that of the exterior circuit R. If we take into account the thickness of the insu- lating material , the ...
... bobbins of the same diameter , the most advantageous size of wire for the coils is that which will render their resistance equal to that of the exterior circuit R. If we take into account the thickness of the insu- lating material , the ...
Side 11
... bobbins wound with the same wire but having a different number of layers , that which will give the best results with a given circuit of resistance will be that of which the resistance is to the exterior resistance , as the depth of the ...
... bobbins wound with the same wire but having a different number of layers , that which will give the best results with a given circuit of resistance will be that of which the resistance is to the exterior resistance , as the depth of the ...
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Vanlige uttrykk og setninger
according advantage armature arrangement Assoc attractive force battery bobbins Bunsen cell calculations centi centimetre circuit of resistance cloth conditions of maximum consequence consider crown 8vo cube Daniell cells deductions depth diameter dimensions distance electric intensity Electric Lighting Electric Telegraph electro-motive force equal experiments expression exterior circuit exterior resistance Fcap FLEEMING JENKIN galvanometer given circuit given electro-magnet grammes Inst insulating covering iron core kilometres laws length less magnetic core magnetic saturation magnetising coils maximum conditions metres of telegraph millimetre Muller number of cells number of elements number of turns obtain ohms P. L. SIMMONDS plates Pocket-Book poles Practical Treatise preceding formulas proportion quantity ratio Second edition sewed Society of Telegraph standard electro-magnet suppose Tables Telegraph Engineers telegraph wire thickness Third edition three electro-magnets tion total number total resistance vary
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