Elements of Construction for Electro-magnetsE. & F. N. Spon, 1883 - 86 sider |
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Side 10
... greater or less distance from the magnetic core , the conditions of maximum corre- sponding with the cancelment of the results of the preceding expressions as far as concerns a , will show 10 Elements of Construction for Electro - Magnets .
... greater or less distance from the magnetic core , the conditions of maximum corre- sponding with the cancelment of the results of the preceding expressions as far as concerns a , will show 10 Elements of Construction for Electro - Magnets .
Side 12
... greater in consequence of this increase of diameter , there must be a limit where the advan- tages obtained from the increasing of the diameter are counterbalanced by the increase of resistance of the coil ; and the question is to ...
... greater in consequence of this increase of diameter , there must be a limit where the advan- tages obtained from the increasing of the diameter are counterbalanced by the increase of resistance of the coil ; and the question is to ...
Side 16
... greater number of turns thus obtained , may counterbalance advantageously , in certain conditions , the loss of force resulting from the lessening of the diameter . However , theoretical formulas do not precisely define that limit ...
... greater number of turns thus obtained , may counterbalance advantageously , in certain conditions , the loss of force resulting from the lessening of the diameter . However , theoretical formulas do not precisely define that limit ...
Side 23
... greater in proportion to the number of branches ; and this is easily under- stood if we consider that , as we said above , the resistance of the battery equals the total re- sistance of these circuits , and this total resistance ...
... greater in proportion to the number of branches ; and this is easily under- stood if we consider that , as we said above , the resistance of the battery equals the total re- sistance of these circuits , and this total resistance ...
Side 51
... greater than , the resistance of the less resisting galvanometer coils ; and for this it was sufficient , R being given , to calculate u by RH means of the formula u = H representing R - H ' the resistance of the coil . Below are the ...
... greater than , the resistance of the less resisting galvanometer coils ; and for this it was sufficient , R being given , to calculate u by RH means of the formula u = H representing R - H ' the resistance of the coil . Below are 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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