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问题1.研究交变电流的产生和变化规律时,如何理解中性面?线圈处于中性面时有哪些特点?(vivi@sohu.com)答:在匀强磁场中,绕垂直于磁场方
Question 1. How to understand the neutral surface when studying the generation and variation of alternating current? What are the characteristics when the coil is neutral? (Vivi@sohu.com) Answer: In a uniform magnetic field,