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借助传感器,采用对比、倍增的方法,探究电磁感应中感应电动势与线圈匝数成正比、感应电流与匝数无关两个结论成立条件。并对如何将上述两个结论清晰快速的演示出来做了实践。
With the help of the sensor, the contrast and multiplication method are used to explore the conditions that the induced electromotive force in the electromagnetic induction is proportional to the number of turns of the coil, and the induction current is independent of the number of turns. And how to put these two conclusions clearly and quickly demonstrate the practice.