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gc textbook chapter 18 Electric Currents (id: fc9fa8fe3)

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admin 发表于 5 天前 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc textbook chapter 18 Electric Currents,类别为 IB物理学

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A person accidentally leaves a car with the lights on. 1ct/ighg 6- z m04tp.ld rw( z)cf4kguIf ealm4 s -s;hwa5kch of the two headlights uses 40 W and each of the two taillights 6 W, for a total of 92 h ;- lwsm4k5saW, how long will a fresh 12-V battery last if it is rated at $95A\cdot h$? Assume the full 12 V appears across each bulb.    h




参考答案: 12.39±2%


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