下列各量中,与检验电荷无关的物理量是( )A.电场力F         

下列各量中,与检验电荷无关的物理量是(  )

                   

A.电场力F                      B.电场强度E

C.电势差U                      D.电场力做的功W

答案

答案 BC

解析 电场力FqE,与检验电荷有关,故A项错;电场强度E、电势差U与检验电荷无关,故BC对;电场力做功WqU,与检验电荷有关,故D项错.

相关题目

The scientist is to attend the meeting ______ in the Great Hall of the People.A.
The scientist is to attend the meeting ______ in the Great Hall of the People.A. to be having     B. to be held      C. to hold      D. held
海水淡化厂主要分布地区是(    ) ①沿海湿润、半湿润地区
海水淡化厂主要分布地区是(    ) ①沿海湿润、半湿润地区  ②沿海干旱、半干旱地区  ③淡水供应困难的岛屿  ④沿海缺水城市 A.①②    B.②③
如图所示,表示互为相反数的点是(     )A.点A和点DB.
如图所示,表示互为相反数的点是(     )A.点A和点DB.点B和点C;C.点A和点CD.点B和点D
 If you are worried that the tickets will sell out, you can buy a ticket   
 If you are worried that the tickets will sell out, you can buy a ticket         .    A. in a row           B. in advance         C. on time           D. tim
鸟类身体上最发达的肌肉是(      ) A、胸部肌肉   B、颈
鸟类身体上最发达的肌肉是(      ) A、胸部肌肉   B、颈部肌肉    C、两翼肌肉   D、后肢肌肉
若|2x-3|+|3y+2|=0,则x-y=_____. 
若|2x-3|+|3y+2|=0,则x-y=_____. 
设有三点A(1,2)、B(2,-3)、D(3,10)和曲线C:x2-xy+2y+1=0,则在曲线C上
设有三点A(1,2)、B(2,-3)、D(3,10)和曲线C:x2-xy+2y+1=0,则在曲线C上的点是_____________.
What he has done has a bad effect ________ the children. A. in         
What he has done has a bad effect ________ the children. A. in                     B. on                         C. by                   

最新题目