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甲:大家好!我是电源的外特性图线,反映电源自身的性质,具有丰富的内涵．请看(如图1): 1．图象与纵轴的交点表示电源的电动势; 2．与横轴的交点表示短路
A: Hello everyone! I am the external characteristic line of the power supply, reflecting the nature of the power supply itself, and it has a rich connotation. Please see (Figure 1): 1. The intersection of the image and the vertical axis represents the electromotive force of the power supply. Intersection with horizontal axis indicates short circuit