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1. |
A battery having an open circuit voltage of 2 V has a terminal voltage of 1 V when supplying a current of 5 A. Its internal resistance is |
A. | 0.6 Ω |
B. | 0.4 Ω |
C. | 0.2 Ω |
D. | 0.1 Ω |
Answer» D. 0.1 Ω | |