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Magnetism and Electromagnetism Quiz by AYLEEN HAIDER is a document available to read on EtoBox.
1. Magnets have two opposite poles that either attract or repel each other. 2. Electromagnets are objects that act like magnets when an electrical current passes through them. They use a battery, wire coils, and an iron core to create an induced magnetic field. 3. Electromagnets are induced magnets, not permanent magnets. To increase their strength, one can use a more powerful battery or have more coils of wire.
- Author
- AYLEEN HAIDER
- Language
- EN