73. The electrostatic field created by a ball of radius R = 10 cm and is uniformly charged with the bulk density ρ = 20 nC / m3. To determine the potential difference between the points lying inside the ball at distances r1 = 2 and r2 = cm 8 cm from its center.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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