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物理选修1-1各章节知识点C．穿过闭合电路中的磁通量越大，闭合电路中的感应电动势越大D．穿过闭合电路中的磁通量变化越快，闭合电路中感应电动势越大例题25：关于感...

knew that she had got to go through all the difficulties with her family.He woul...