N NN N (感感)总感感REI 结论:结论:tvat1212-tttEtkE国际单位制国际单位制k=1tnE线圈由线圈由n匝匝tnEN NS StnEtnE1.6VStBnE tnEoB23rBE tnE/10- -2Wbt/s012AB斜率表示斜率表示的的变化率变化率 v/m/st/s012tnEB00adcb212LBLE tnEB00adcb212LBLE 212LBLE tnEtnEsin1BLvBLvEtnEabvE=BLVsintnEAOA221LBEtnEB00adcb2sinsin21LnBLBLvEtnEB00adcbS N taB332