题目4单选题
工频交流电路中,若有R、L、C串联,则电路的总复阻抗为.()A. <img src="https://tihai-oss-cloud.itihey.com/img/92b15b60e769401b8124296ca2004f8b.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/8e9b50f0ebf5b40f2cbc3d6177bdc333.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/d56920e217af5991800e43ce65b5f554.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/e742b8bec325611232cb250644f64730.png">