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1. |
What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?_x005F_x000D_ |
A. | 6400_x005F_x000D_ |
B. | 1280_x005F_x000D_ |
C. | 640_x005F_x000D_ |
D. | 3200 |
Answer» C. 640_x005F_x000D_ | |