Elements of Construction for Electro-magnetsE. & F. N. Spon, 1883 - 86 sider |
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... .. I1I . Conditions in reference to the magnetic mass CHAPTER IX . ON THE BEST GROUPING OF THE CELLS OF A BATTERY TABLES PAGE 37 47 56 67 72 629 69 .. 75 .. 84 2 ELEMENTS OF CONSTRUCTION FOR ELECTRO - MAGNETS . INTRODUCTION viii Contents .
... .. I1I . Conditions in reference to the magnetic mass CHAPTER IX . ON THE BEST GROUPING OF THE CELLS OF A BATTERY TABLES PAGE 37 47 56 67 72 629 69 .. 75 .. 84 2 ELEMENTS OF CONSTRUCTION FOR ELECTRO - MAGNETS . INTRODUCTION viii Contents .
Side 26
... cells . As the dimensions of this electro- magnet were known , it was easy , by means of the preceding formulas , to establish constants to be made use of in our calculations . Thus we shall see how the preceding equation joined to the ...
... cells . As the dimensions of this electro- magnet were known , it was easy , by means of the preceding formulas , to establish constants to be made use of in our calculations . Thus we shall see how the preceding equation joined to the ...
Side 28
... cell as unit , and if R is estimated in metres of telegraph wire , K = 172175 , and the figure obtained represents fractions of a metre . In comparing the values of K and R with the system of electric measures established by the British ...
... cell as unit , and if R is estimated in metres of telegraph wire , K = 172175 , and the figure obtained represents fractions of a metre . In comparing the values of K and R with the system of electric measures established by the British ...
Side 31
... cells employed , we may easily calculate these numbers , knowing the values of the constants e and p of the element ... cell , and the resistances are calculated in metres of telegraph wire . we will call P , by applying to it a ...
... cells employed , we may easily calculate these numbers , knowing the values of the constants e and p of the element ... cell , and the resistances are calculated in metres of telegraph wire . we will call P , by applying to it a ...
Side 33
... , and for batteries arranged in series , this expression becomes a2 E2 H a2 E2 H A = ( P + H 2 a2 p2 62 Suppose we have 24 cells , and the resistance of each equals Ꭰ of a b , or the total number n of Application of Laws . 33.
... , and for batteries arranged in series , this expression becomes a2 E2 H a2 E2 H A = ( P + H 2 a2 p2 62 Suppose we have 24 cells , and the resistance of each equals Ꭰ of a b , or the total number n of Application of Laws . 33.
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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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