A small negative bead is placed first to the left and then to the right of an isolated positive point charge. Its distance from the point charge is the same in both positions.
Which compares the electric forces on the bead at the two positions?
Equal in size; both directed away from the point charge.
Equal in size; both directed towards the point charge.
Different in size; both directed towards the point charge.
Different in size; both directed away from the point charge.
80 exam-style questions on Edexcel GCSE Physics 11.2 Uses, dangers and electric fields, covering 11.2.1 Uses of electrostatic charge, 11.2.2 Dangers of sparking, 11.2.3 Electric fields, and 11.2.4 Electric fields and static electricity. Each one has a worked solution and a mark scheme showing where the marks go.