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Problem 23.2: What is the net charge?

Please wait for the animation to completely load.

4個の荷電粒子がつくる電場を表す電気力線が見える(長さの単位は m).どの粒子もクリック・ドラッグで移動できる.粒子どうしを重ねると,加算された電荷をもつ粒子となる.Restart.

4個の粒子の電荷の総和は正,負,中性のいずれだろうか?

Problem authored by Mario Belloni and Wolfgang Christian and modified by Melissa Dancy.

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