 | James Clerk Maxwell - 1881 - 544 σελίδες
...wire of length s is <•> where S is the transverse section and is a function of *. This method iu the case of wires whose section varies slowly with...of an elongated solid of revolution, let us measure x along the axis, and let the radius of the section at any point be b. Let one set of impermeable surfaces... | |
 | Silvanus Phillips Thompson - 1888 - 698 σελίδες
...also the terminals for the shunt circuit. Further, since the nett resistance of a branched circuit is the reciprocal of the sum of the reciprocals of the resistances of its parts, the nett external resistance from terminal to terminal is equal to — — — ; and hence... | |
 | Joseph Poole - 1891 - 316 σελίδες
...divided by the number of branches. If they are unequal, their combined resistance will be equal to the reciprocal of the sum of the reciprocals of the resistances of the several branches. The reciprocal of a number is unity, or one, divided by that number. The reciprocal... | |
 | Edwin Dana Pierce - 1896 - 220 σελίδες
...conductivity, and R TI TJ rs or, in general, the joint resistance of any number of conductors in parallel is the reciprocal of the sum of the reciprocals of the resistances of each separately. When there are but two branches we have — = 1 ; R r, r,' whence we have the convenient... | |
 | George Defrees Shepardson - 1901 - 434 σελίδες
...whole equals the reciprocal of the sum of the conductivities, or the resistance of the whole equals the reciprocal of the sum of the reciprocals of the resistances of the separate parts. For a circuit of three branches, this may be expressed in a formula as follows... | |
 | Horatio Alvah Foster - 1901 - 1018 σελίδες
...resistance in ohms, E rz the electromotive force in volts. The Resistance of multiple Circuits equals the reciprocal of the sum of the reciprocals of the resistances of each circuit individually. In the figure the joint resistance R^ of the two circuits r and r,, between... | |
 | William Esty - 1905 - 466 σελίδες
...series, as shown in Fig. 164. Remembering that the joint resistance of two (or more) circuits in parallel is the reciprocal of the sum of the reciprocals of the resistances of the several branches, we have: Fig. 164. From these three equations the three unknown quantities «,... | |
 | 1905 - 546 σελίδες
...as shown in Fig. Iti4. Remembering that the joint resistance of two (or more) circuits in parallel is the reciprocal of the sum of the reciprocals of the resistances of the several branches, we have: KAB=T_L__, a f> -4- c 1 T + 7^7, *" = -! --'I , 9 Fig. 104. ca +f> Fro7ii... | |
 | J. Poole - 1906 - 566 σελίδες
...the reciprocal of the sum of the conductances of the several branches. In other words, it is equal to the reciprocal of the sum of the reciprocals of the resistances of the branches, or — = -- 1 -- + — etc. The reciprocal of a number is R r^ rz rs unity divided by... | |
 | International Correspondence Schools - 1907 - 744 σελίδες
...relay A^. As a result, the total resistance of the branch of the circuit beyond the point o becomes the reciprocal of the sum of the reciprocals of the resistances of the circuits through the subscriber's telephone and the retardation coil x, and that of the circuit... | |
| |
Remembering that the joint resistance of two (or more) circuits in parallel is the reciprocal of the sum of the reciprocals of the resistances of the several branches, we have: Fig. 
