Elements of Construction for Electro-magnetsE. & F. N. Spon, 1883 - 86 sider |
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Side 4
... circuit ; t . The number of turns of the wire ; R. The resistance of the exterior circuit , including that of the battery . It is easy to understand that we can at once 4 Elements of Construction for Electro - Magnets .
... circuit ; t . The number of turns of the wire ; R. The resistance of the exterior circuit , including that of the battery . It is easy to understand that we can at once 4 Elements of Construction for Electro - Magnets .
Side 9
... exterior circuit whose resistance is R ; or we may ask - not being limited in respect to the depth of the coils to what extent it would be advantageous to wind on the bobbins a wire of a given size , to produce , with the given ...
... exterior circuit whose resistance is R ; or we may ask - not being limited in respect to the depth of the coils to what extent it would be advantageous to wind on the bobbins a wire of a given size , to produce , with the given ...
Side 10
... exterior circuit R. If we take into account the thickness of the insu- lating material , the calculation will show that the best coil will be that of which the resistance will be to the resistance of the exterior circuit , as the ...
... exterior circuit R. If we take into account the thickness of the insu- lating material , the calculation will show that the best coil will be that of which the resistance will be to the resistance of the exterior circuit , as the ...
Side 11
... circuit of resistance will be that of which the resistance is to the exterior resistance , as the depth of the coils , increased by the diameter of the magnetic core , is to the depth of the coils alone . As usually in electric ...
... circuit of resistance will be that of which the resistance is to the exterior resistance , as the depth of the coils , increased by the diameter of the magnetic core , is to the depth of the coils alone . As usually in electric ...
Side 12
... exterior circuit , obtain an expression susceptible of maximum such that the relation of R to H shall be either of those given in Proportion between Depth of Coils and Core . 13 the 12 Elements of Construction for Electro - Magnets .
... exterior circuit , obtain an expression susceptible of maximum such that the relation of R to H shall be either of those given in Proportion between Depth of Coils and Core . 13 the 12 Elements of Construction for Electro - Magnets .
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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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