5a. Three charges q1=0.03 μC, q2=0.02 μC, q3=0.01 μC are located at (0m, 0m), (0.1m,0m) and (0m, 0.2m) respectively. Calculate the potential due to these charges at (0.2m, 0.2m).
Use V = k(q1/r1 + q2/r2 + q3/r3) eq. [V= k(q1/r1 + q2/r2 + q3/r3)], each of the distance is between (0.2m, 0.2m) and the corresponding charge.
#5b. What would be the electrical potential energy of a charge q4=0.05 μC, if it is placed at
(2m, 2m). Use EPE = q4V , (eq. [ ΔPE =qoΔV ]) because at infinity V and hence PE can be considered to be zero from the three charges listed above.
Use V = k(q1/r1 + q2/r2 + q3/r3) eq. [V= k(q1/r1 + q2/r2 + q3/r3)], each of the distance is between (0.2m, 0.2m) and the corresponding charge.
#5b. What would be the electrical potential energy of a charge q4=0.05 μC, if it is placed at
(2m, 2m). Use EPE = q4V , (eq. [ ΔPE =qoΔV ]) because at infinity V and hence PE can be considered to be zero from the three charges listed above.