请教电工学的问题一个电阻并联一个电容，通交流电怎么计算其电阻？ 电工学，看不懂啥意思了。电阻并联算的也不懂
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容抗和电阻并联，先求出电容的容抗
交流阻抗Z=R/sqrt(1+(2*3.14*F*R*C)^2).
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