20 20. A metallic sphere of radius 5 cm has a charge of 6 μ C. The surface charge density is 1 6 π × 10 2 μ C / m 2 2 4 π × 10 2 C / m 2 3 6 × 10 3 μ C / m 2 4 4 × 10 3 C / m 2 Share with your friends Share 13 Pintu B. answered this Dear Student , Here in this case from the given data we can write that , Surface charge density=σ=6×10-64×π×25×10-4=6×10-6π C/m2 Regards -4 View Full Answer