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77.the emf of a cell is 2v and its internal resistance is 2 ohm . resistance of a 8ohm is joined to battery in parallel this connected in in secondary circuit of potentiometer if 1v standard cell balances for 100 cm of potentiometer wire the balancing point of above cell |
| Answer» 77.the emf of a cell is 2v and its internal resistance is 2 ohm . resistance of a 8ohm is joined to battery in parallel this connected in in secondary circuit of potentiometer if 1v standard cell balances for 100 cm of potentiometer wire the balancing point of above cell | |