a small sphere whose m mass is 1.0 mg carries a charge q of 2.0*10^(-8)C. It hangs from a silk thread that makes an angle of 30
degrees with a large charged nonconducting sheet as in figure. Calculate the uniform charge density σ for the sheet
1 answer
1. A small sphere carries a charge of magnitude -32 µC , ( a ) Find the number of electrons forming this charge , and ( b ) Is this number need to be gained or lost ?
1 answer