Two identical point charges are placed 100 mm apart in a vacuum as shown below. The electrostatic force that Q1 exerts on Q2 is 5,09 N.
8.1 Draw the electric field pattern between the two charges. (3)
8.2 Calculate the magnitude of each charge. (4)
8.3 Calculate the net electric field at point P, as shown on the diagram below.
8.4 A third charge Q3 of magnitude 5 μC is now placed at point P as shown in the
diagram below.
Calculate the net electrostatic force experienced by point charge Q2 due to
point charge Q1 and Q3 . (5)
[17]