为了测出自感线圈的直流电阻,可采用如图所示的电路.在测量完毕后将电路解体时应该( 发布时间:2017-06-25 19:30 │ 来源:www.tikuol.com 题型:选择题 问题: 为了测出自感线圈的直流电阻,可采用如图所示的电路.在测量完毕后将电路解体时应该( )A.首先断开开关S1B.首先断开开关S2C.首先拆除电源D.首先拆除安培表
题型:选择题 —I want __________ in the __________ club.—Sorry, sir. We have too many people in our club.A.to be, swimingB.be, swimmingC.be, swimingD.to be, swimming 查看答案