题目

某静电场的电场线分布如图所示，图中P、Q两点的电场强度的大小分别为EP和EQ，电势分别为φP和φQ，则（  ）                                                                                                                                                                                                                         A． EP＞EQ，φP＞φQ     B．EP＞EQ，φP＜φQ      C． EP＜EQ，φP＞φQ   D． EP＜EQ，φP＜φQ                                                                                                                                      答案：A

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