Mathematics · Electrostatics
A point charge q is fixed at point A inside a hollow grounded conducting spherical shell of radius R, at a distance a from the center C. The force acting on the sphere due to the presence of the point charge is:
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- 114πε0 × q2(R - a)2 in magnitude and along CA
- 214πε0 × q2(R - a)2 in magnitude and along AC
- 314πε0 × q2aR(R2 - a2)2 in magnitude and along CA
- 414πε0 × q2aR(R2 - a2)2 in magnitude and along AC✓
Correct answer
14πε0 × q2aR(R2 - a2)2 in magnitude and along AC
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