【高中物理】如题,下面这个式子是如何由上面两式得到的?

2025-05-17 11:23:22
推荐回答(2个)
回答1:


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回答2:

E=U1+(U1/R1)(E-U2)R2/U2
EU2R1=R1U1U2+U1R2E-U1R2U2
EU2R1-U1R2E=R1U1U2-U1R2U2
(U2R1-U1R2)E=R1U1U2-U1R2U2
E=(R1U1U2-U1R2U2)/(U2R1-U1R2)
E=U1U2(R1-R2)/(U2R1-U1R2)