Electricity for public schools and colleges . the charges a and b had the condensers been similar in allrespects save in the nature of the dielectric In somewhat the same manner he compared the capacities of thesestandards with that of a large sphere isolated {see Chapter V. § 8&c.) in the middle of the room. From this comparison he was able tocalculate what would have been the capacities of the standards had 124 ELECTRICITV CH. IX. air been their dielectric, and thus he finally found the ratio that thecharge a would have borne to that of an exactly similar condenserhaving air as the dielectri
Electricity for public schools and colleges . the charges a and b had the condensers been similar in allrespects save in the nature of the dielectric In somewhat the same manner he compared the capacities of thesestandards with that of a large sphere isolated {see Chapter V. § 8&c.) in the middle of the room. From this comparison he was able tocalculate what would have been the capacities of the standards had 124 ELECTRICITV CH. IX. air been their dielectric, and thus he finally found the ratio that thecharge a would have borne to that of an exactly similar condenserhaving air as the dielectric. § 4. Faradays Method.—{a) The figures represent, completeand in section, the apparattis used by Faraday; this being a con-denser of a convenient and symmetrical form. The outer coatingconsisted of a hollow brass sphere P Q, that was always put to inner coating was a brass globe C. This could be chargedby means of the knob B connected with it. A represents a layerof shellac serving to insulate the wire connecting B and
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Keywords: ., bookcentury1800, bookdecade1890, bookpubl, booksubjectelectricity
