Here are some useful revision activities for A-level students.
They are sets of multiple choice questions
Electric Fields http://www.e-physics.org.uk/quizzes/electricfield
Electric Circuits http://e-physics.org.uk/quizzes/circuits1/
Flash Player needed for this one…
http://www.e-physics.org.uk/quiz.html
OR the pdf version is here: http://www.e-physics.org.uk/quizzes/equations2.pdf