a circuit bearing a current be brought towards a circuit capableof bearing a current, and if the former, the inducing current, haveits positive face turned towards the circuit approached, there willbe two effects produced: (1) an increase in the intensity of theinducing current, and (2) a new… … approaching positive face of the inducing current, and is there-fore opposed to it in its direction. If two wires be laid alongside one another (Fig. 250), and ifone of these wires be connected withthe two poles of a battery, and thusform part of a Primary or BatteryCircuit; while the other wire…
Physics
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