Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 249
Their general formis shown in Fig. 106, which re- Fig. 105,presents a \ microfarad condenser. The two brass pieces upon the ebonite top are connected re-spectively with the two series of alternate sheets of tinfoil. Theplug between them serves to keen the condenser dischargedwhen not in use.… … 232 ELEMENTARY LESSOlTS ON [chap. iv. capacity of condensers of all ordinary forms, in electrostatic units :— Sphere: (radius = r. See Art. 247). C =:r. Two Co7icentrtc Spheres: (radii r and /, specific inductive capacity of the dielectric = ^). rrC = k^ Cylinder: (length = /, radius = r). 2 log^ t…
Electricity · Magnetism
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