✨ Best Answer ✨
８V+ｘ＝１２V x=４V
並列は電圧が同じ（直列は電流が同じ）
直列の合成抵抗は ２＋４＝６Ω
電流は １２V／６Ω＝２A
配列の合成抵抗は ２x４／（２＋４）＝８／６
電流は １２／（８／６）＝９A
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✨ Best Answer ✨
８V+ｘ＝１２V x=４V
並列は電圧が同じ（直列は電流が同じ）
直列の合成抵抗は ２＋４＝６Ω
電流は １２V／６Ω＝２A
配列の合成抵抗は ２x４／（２＋４）＝８／６
電流は １２／（８／６）＝９A
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