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2013-05-23 12:21
求翻譯：Two long parallel wires each carrying a current of 5 amps lie a distance 10cm from eachother. What is the magnetic force in Newtons exerted on one meter of wire by the other wire?是什么意思？ 待解決
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Two long parallel wires each carrying a current of 5 amps lie a distance 10cm from eachother. What is the magnetic force in Newtons exerted on one meter of wire by the other wire?
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