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| 1. |
Five cells, each with an e.m.f. of 2V and internal resistance of 0.5 Ω are connected in series. The resulting battery will have |
| A. | An e.m.f. of 2V and an internal resistance of 0.5 Ω |
| B. | An e.m.f. of 10V and an internal resistance of 2.5 Ω |
| C. | An e.m.f. of 2V and an internal resistance of 0.1 Ω |
| D. | An e.m.f. of 10V and an internal resistance of 0.1 Ω |
| Answer» C. An e.m.f. of 2V and an internal resistance of 0.1 Ω | |