Solve
Q*E = M*g
to get the field, E. The units will be Newtons per Coulomb
The direction of the E field must be down, so that the electrostatic force on the negative particle will be up.
A small object of mass 2.60 g and charge -17 µC "floats" in a uniform electric field. What is the magnitude and direction of the electric field?
2 answers
2.60*17
1 answer