A.WAB>W(wǎng)AC B.WAD>W(wǎng)AB C.WAC>W(wǎng)AD D.WAB=WAC 查看更多

 

題目列表(包括答案和解析)

如下圖所示,B.C.D三點都在以點電荷+Q為圓心,半徑為R的圓弧上,將一試探電荷從A點分別移到B、C、D各點時,電場力做功是

A.WAB>W(wǎng)AC                                                                                  B.WAD>W(wǎng)AB                                                                   

       C.WAC>W(wǎng)AD                                                                                 D.WAB=WAC

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在點電荷+Q的電場中,將一檢驗電荷q從A點分別移動到B、C、D各點時,電場力做功情況是

[  ]
A.

WAB>W(wǎng)AC;

B.

WAD>W(wǎng)AB;

C.

WAC>W(wǎng)AD;

D.

WAB=WAC=WAD;

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如圖所示,B、C、D三點都在以點電荷+Q為圓心,半徑為r的圓弧上,將一試探電荷從A點分別移到B、C、D各點時,電場力做功是

[  ]

A.WAB>W(wǎng)AC

B.WAD>W(wǎng)AB

C.WAC>W(wǎng)AD

D.WAB=WAC

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如圖所示,B、C、D三點都在以點電荷+Q為圓心的某同心圓孤上,將一檢驗電荷從A點分別稱到B、C、D各點時,電場力做功的大小比較

[  ]
A.

WAB>W(wǎng)AC

B.

WAD>W(wǎng)AB

C.

WAC>W(wǎng)AD

D.

WAB=WAC

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如圖所示,B、C、D三點都在以點電荷+Q為圓心的某同心圓弧上,將一試探電荷從A點分別移到B、C、D三點時,靜電力做功的大小比較為

[  ]
A.

WAB>W(wǎng)AC

B.

WAD>W(wǎng)AB

C.

WAC>W(wǎng)AD

D.

WAB=WAC

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