While doing an experiment with potentiometer it was found that the deflection is one-sided and i) the deflection decreased while moving from one end A of the wire to the end B; ii) the deflection increased, while the jockey was moved towards the end B. i) Which terminal +ve or –ve of the cell E, is connected at X in case i) and how is E1 related to E? ii) Which terminal of the cell E1 is connected at X in case ii)?
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The positive terminal of cell E1 is linked to E, and E is connected to X.