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2 cells of EMF 1 V and 2 V with internal resistance 2 ohm and 1 ohm are first connected in series and then in parallel. What should be the value of external resistance that should be connected to the circuit so that the current through the external resistance remains the same ? |
| Answer» 2 cells of EMF 1 V and 2 V with internal resistance 2 ohm and 1 ohm are first connected in series and then in parallel. What should be the value of external resistance that should be connected to the circuit so that the current through the external resistance remains the same ? | |