A small charged bead is moved along a straight line away from a fixed charged sphere. Which statement describes the force on the bead and the field of the sphere?
Both the force and the field stay constant as the bead is moved
The force decreases while the field of the sphere stays constant
Both the force and the field decrease as the bead is moved away
The field decreases while the force on the bead stays constant
40 exam-style questions on AQA GCSE Physics 2.5 Static electricity, covering 2.5.1 Static charge and 2.5.2 Electric fields. Each one has a worked solution and a mark scheme showing where the marks go.