jection. 4!th Method. Siemens Method for a submarine cable orland-line. Let AB represent the faultless cable insulated at bothends, AG, BE equal but variable resistances, GI), EF con-stant equal resistances. At D the positive pole of a batteryis attached, and at E the negative pole of an equal… … D- DC the cable will be at zero-potential. The equal differencesDG — GH and FK— EL can be measured at the two endsby quadrant electrometers (for instance). If now a faultarise at JV^, the potential at this point some time after theattachment of the batteries will come to zero, so that…
Electricity
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