GEO 2024Q91
Q: Consider metallic spheres of different radii r, all at the same electrostatic potential. Then the magnitude E of the electric field just outside these spheres depends on r as:
(a)E ∝ r⁻²
(b)E ∝ r⁻¹
(c)E ∝ r⁰
(d)E ∝ r
Answer pending verification