Solving a problem in physics section 71 point 95 electr

Solving a problem in physics section 71 point 95 electr

95. On the surface of two concentric spheres with radii of 2 cm and 5 cm, a charge with a surface density σ is uniformly distributed. Determine its value if 10-4 J of energy is required for transfer from infinity to the common center of spheres 1 mC.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)