类型 Chip Ferrite Bead Single Type High Current Multilayer Ferrite Bead High Current Chip Ferrite Bead AEC-Q200 Chip Bead SMD for Signal Line Cable Single Ungapped Ring Core Coil Former Gapped Solid Toroidal Cores EMI Chip Ferrite Bead Inductor Type Power line Chip Beads Ferrite Cores SMD EMI ...
If adding an "U" volts power on a coil, the current is "I" amps, when putting an iron core through into the coil at that time, the current "I" will lower. A. 正确 B. 错误 查看完整题目与答案 We usually add a thermal relay into a ciercuit to provide short current protection...