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Electricity and Magnetism How does an electric motor work? Who built the first electrical generator? What has been the most important electrical device invented? What is lightning? How is solar power used? What is static electricity? How can you make an electric current? How are items electroplated? How does an electric bell work? How does an electromagnet work? What is an electric current? What is a magnetic field? Why does a compass needle point north?   Previous: Back to Electricity and Magnetism Book: 1001 Section: Science and Technology Chapter: Electricity and Magnetism