resistance is generally known, thatin AB suppose, while that in JBG is required to be deter-mined. ABO generally consists of a straight wire at anypoint of which by a key the branch BB is completed. By , moving the key we find the point B for which the currentvanishes, and reading ofif the relation… … PROBLEMS IN VOLTAIC ELKCTEICITT. 161 Let the resistances ABG and ADO be represented byABG^, ADG,. Let the differences of potential between the extremitiesof the conductor be represented by AP^ perpendicular toAG^, and AP^ equal to it perpendicular to AG^. The lineP,(7j represents the fall of…
Electricity
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