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


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