electric field in a conductor
zero
electric flux
∫E·dA = Qenc/ε
dot product
cos
cross product
sin
electric force
kqQ/r^2
electric field
F/q = kq/r^2
voltage and electric field
electric field is the negative derivative of voltage. voltage is the negative integral of electric field (E = -dV/dx, V = -∫E·dr
electric energy
u = qV