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计算1/5x6+1/6x7+1/7x8+1/8x9+...+1/47x48+1/48x49+1/

根据以上数据计算其他参数:S=AXB=8x6=48(cm2) E=4.44fbsx0.0001=4.44x50x1.2x48x0.0001=1.2(V/匝) N1=U1/E=220/1.2=183(匝)N2=U2/E=60/1....

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