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单选题
2731. 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
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