could be negatively charged?
The diagram shows the arrangement of three small uniformally charged spheres, A,B and C. The arrow indicate the direction of the electrostatic forces acting between the spheres (for example, the left arrow on sphere A indicates the electronstatic force on sphere A due to sphere B). At least two of the spheres are positively charged. Which sphere, if any, could be negatively charged?
15
Sep
The diagram shows the arrangement of three small uniformally charged spheres, A,B and C. The arrow indicate the direction of the electrostatic forces acting between the spheres (for example, the left arrow on sphere A indicates the electronstatic force on sphere A due to sphere B). At least two of the spheres are positively charged. [...]
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A) ,
B and C. The arrow indicate the direction of the electrostatic forces acting between the spheres (for example ,
could be negatively charged? ,
if any ,
The diagram shows the arrangement of three small uniformally charged spheres ,
the left arrow on sphere A indicates the electronstatic force on sphere A due to sphere B). At least two of the spheres are positively charged. Which sphere ,