Two identical cells each having e.m.f 1.5v and internal resistance 0.5ohms are connected in series of a coil of resistance 5ohms.what is the effective e.m.f of the cells?.. the effective resistance in the circuit.. the current in the circuit.. The p.d across the 5ohms resistor?
Anaenyeonu
25 Sep, 2022
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ibrahimdzakwandirmbita
3 years ago
Since you did not state open circuit or a closed loop, If all three are in series, the effective emf is 2 times 1.5 volts, if and only if, there is no load. The effective resistance is the sum of all resistors in series. 0.5 * 0.5 * 5.0 = 6.0 ohms, independent of the load.
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