each 20 cm long

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Two horizontal parallel straight conductors , each 20 cm long , are arranged one vertically above the other and carry equal currents in opposite directions . the lower conductor is fixed while the other is free to move in guides remaining parallel to the lower.
17
Oct
Two horizontal parallel straight conductors , each 20 cm long , are arranged one vertically above the other and carry equal currents in opposite directions . the lower conductor is fixed while the other is free to move in guides remaining parallel to the lower. are arranged one vertically above the other and carry equal [...]
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