.The belt of an electrostatic generator is 50 cm wide and travels 30 cm/s. The belt caries charge into the sphere at a rate corresponding to <img alt="10^{-4}" src="https://entrancecorner.oncodecog
.The belt of an electrostatic generator is 50 cm wide and travels 30 cm/s. The belt caries charge into the sphere at a rate corresponding to A. What is the surface density of charge on the belt