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单选题
如果交流电路仅由电阻组成，则阻抗值与电阻值相同.
A
If an AC circuit consists of resistance only, the value of the impedance is the same as the resistance.
B
If an AC circuit consists of impedance only, the value of the capacitance is the same as the impedance.
C
If an DC circuit has capacitance only, the value of the resistance is the same as the capacitance.
答案解析
正确答案：A
相关知识点：
交流电阻阻抗关系要记牢
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