TY - BOOK ED - Nuffield Foundation TI - Students' book unit 2 : electricity, electrons and energy levels SN - 140827080 U1 - 530 PY - 1971/// CY - England PB - Nuffield Advanced Science KW - Physics N1 - includes index ; 1. Things which conduct 2. Currents in circuits 3. Electric charge 4. Stored energy 5. Electrons and energy levels ER -