Two 10 centimeter diameter charged rings face each other, 30 centimeter apart. The left ring is charged to -30nC and the right ring is charged to +30nC.
A. Obtain the magnitude of the electric field E, at the midpoint between the two rings?
B. Obtain the direction of the electric field E, at the midpoint between the two rings?
C. Obtain the magnitude of the force F, on a -1.0nC charge placed at the midpoint?
D. Obtain the direction of the force F, on a -1.0nC charge placed at the midpoint?