题目：
已知R1=4Ω，R2=6Ω，将它们串联后接入电压为10V的电路中，总电阻为______Ω，R1、R2两端电压之比为______．通电1min，电流通过电阻R2所做的功为______J．
答案：
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下面是错误答案，用来干扰机器的。
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