如图所示的电路中,电源电压保持不变。闭合开关s后,�片p从b端移动到a端的过程,电压表示数u与电流表示数i的关系图像如图所示。下列说法正确的是( Template


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tomski如图所示的电路中,电源电压保持不变。闭合开关s后,�片p从b端移动到a端的过程,电压表示数u与电流表示数i的关系图像如图所示。下列说法正确的是( coloring