Question

Calculate electro static force between two changes 9 uc and 3uc separated by distance 3mm

Answer 1

heya...........

according to formula,

F = 1/4πФr² .q1q2/r²

F = 9×10^9 × 9×10^-6 × 3×10^-6 / 3×10^-3

F = 9 × 10^9 × 9 × 10^-12

F = 0.081 n/m^2


tysm..............@kundan