Questions
Statement 1: When a cell is charged by connecting its positive electrode with positive terminal of the charger battery then potential difference across the electrodes of cell will be smaller to the EMF of cell.
Statement 2: Potential difference across electrodes in a cell providing electric current is E = Ir, where E is EMF and r internal resistance.
detailed solution
Correct option is D
V = E + ir when charging of cell take place.Talk to our academic expert!
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An electric current is passed through a circuit containing two wires of the same material, connected in parallel. If the lengths and radii of the wires are in the ratio of (4/3) and (2/3), then the ratio of the currents passing through the wires will be
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