第7题
在某一静电场中,任意两点P1和P2之间的电势差决定于___ In an electrostatic field, the potential difference between P1 and P2 at any two points depends on___
A.P1点的位置; the position of point P1;###SXB###B.P2点的位置; the location of point P2;###SXB###C.P1和P2两点的位置; the positions of P1 and P2;###SXB###D.P1和P2两点处的电场强度的大小和方向; the magnitude and direction of the electric field intensity at the points P1 and P2;
点击查看答案