MCQOPTIONS
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| 1. |
The cells are connected in two rows in parallel to pass a current of 6 A through an external resistance 0.7 Ω. If the electromotive force of each cell is 2.1 volts and internal resistance 0.5 Ω, the minimum number of cells will be |
| A. | 10 cells |
| B. | 12 cells |
| C. | 14 cells |
| D. | 16 cells |
| Answer» D. 16 cells | |