简化后,问题就是先求出一个9欧姆与一个8欧姆并联,然后再与一个3欧姆串联的总电阻是多少。再求电流是多少(12/总电组)。最后求多少电流通过8欧姆电阻。
简化后,问题就是先求出一个9欧姆与一个8欧姆并联,然后再与一个3欧姆串联的总电阻是多少。再求电流是多少(12/总电组)。最后求多少电流通过8欧姆电阻。
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