What metals could be used to make an induced magnet.

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Presentation transcript:

What metals could be used to make an induced magnet. Physics Revision- CHAPTER 7 – Electromagnetism When a current flows through a wire, the current creates a magnetic field around the wire. How could you change the direction of the magnetic field? How could you make the magnetic field stronger? Draw the magnetic field line around the bar magnet below, use arrows to show the direction of the field lines. : S N What metals could be used to make a permanent magnet. What metals could be used to make an induced magnet. Explain how the electric motor works. Draw the magnetic field around the solenoid. KEY WORDS: Permanent Magnet Tesla Induced Magnet Magnetic Flux Density Electromagnet Poles Solenoid Magnetic Field Motor Effect ASSESSMENT: