More guides on this topic

• Electric charge - OCR 21st Century
• Series and parallel circuits - OCR 21st Century
• Electrical power and energy - OCR 21st Century
• What are magnetic fields? - OCR 21st Century
• Electric motors - Higher - OCR 21st Century
• What is the process inside an electric generator? - Higher
• Sample exam questions - electric circuits - OCR 21st Century

Related links

• Physics: Exam-style questions
• Physics revision resources
• Bitesize revision podcasts
• Personalise your Bitesize!
• Jobs that use Physics
• Isaac Physics
• Quizlet
• RevisioSubscription
• TassomaiSubscription
• Science Museum