Physics · Electrostatics
Two charges q1 and q2 are placed at the centres of two spherical conducting shells of radius r1 and r2 respectively. The shells are arranged such that their centres are at a distance d (where d > r1 + r2) apart. The force on q1 due to q2 is:
- 114πε0 × q1q2(d − r1)2
- 2Zero
- 314πε0 × q1q2[d − (r1 + r2)]2
- 414πε0 × q1q2d2✓
Correct answer
14πε0 × q1q2d2
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