Question

In figure four charges of magnitudes +1mC,−2mC,−2mC and +3mC are placed at the corners A,B,C and D respectively on a square with 2m side each. Using Coulomb law find (a) net electrostatic force with magnitudes and directions at point B and (b)square center E with -2mC placed at E (c) net electric field with magnitudes and directions at point B and square center. Fiend E is given by E=F/q where you can chose q=1mC. All work have to be very neatly presented with pictures and step by step procedures of how you got the final answers. Do not write with too small letters or write in the paper margins. Your answers has to be written separately for each part without mixing with other parts. +1

Answer 1

Part (a)
The net electrostatic force with magnitude and direction at point B is +810 N, in the direction of point C.

The net electrostatic force with magnitude and direction at square center E (using q = 1mC) is -200 N, in the direction of point D.

The net electric field with magnitude and direction at point B is 12 N/m, in the direction of point C.

The net electric field with magnitude and direction at square center E (using q = 1mC) is -40 N/m, in the direction of point