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Conductors and Dielectrics in an Electric Field

Problem 3.69

A metal ball of radius R=1.5 cmR=1.5 \mathrm{~cm} has a charge q=10μCq=10 \mu \mathrm{C}. Find the modulus of the vector of the resultant force acting on a charge located on one half of the ball.

Reveal Answer
F=q232πε0R2=0.5kNF=\frac{q^{2}}{32 \pi \varepsilon_{0} R^{2}}=0.5 \mathrm{kN}
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