题目1单选题
在热敏电阻实验中,实验电阻的测量是利用( )原理A. <img src="https://tihai-oss-cloud.itihey.com/img/34dfff403ba451caf1e91633824ece82.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/8159e1a2415f36585220c1bae1c4f762.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/b0c267009f872dfe103c5fbbedabaf04.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/fbb7bdf7d420976d9afaefe50eac2934.png">