Question Detail
Question
Surface charge density on sphere radius 1 cm is 796 μC/m². Total charge?
Correct Answer
Option A is the correct answer.
Detailed Explanation
Q = σ × 4πr² = 796×10⁻⁶ × 4π×0.01² = 796e-6 × 4π×1e-4 = 796e-6 × 1.2566e-3 = 1.00×10⁻⁶ C = 1.00 μC.
Hint
Q = σ × 4πr².