E.Q. - How are magnetism & electricity interrelated?

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Presentation transcript:

E.Q. - How are magnetism & electricity interrelated? What is magnetism? the force of attraction or repulsion of magnetic materials. Around a magnet is a magnetic field that applies a force, a push or pull, without touching an object. + - Attraction: + - Repulsion: + - + - + - + -

+ - What makes an electromagnet? E.Q. - How are magnetism & electricity interrelated? What makes an electromagnet? An electric current (from an energy source) flowing through a wire wrapped around an iron core forms an electromagnet. Electromagnet + - iron core Electricity flowing in

+ - What produces electricity? E.Q. - How are magnetism & electricity interrelated? What produces electricity? A coil of wire spinning around a magnet or a magnet spinning around a coil of wire can form an electric current. Wire Spinning + + - Magnet - Electricity flows out

What is an electromagnet? E.Q. - How are magnetism & electricity interrelated? What is an electromagnet? An electromagnet is a wire wrapped around an iron core that produces a magnetic field. The magnet loses its magnetism if the electric current stops flowing.

Look at Brainpop.com “Electromagnet” View Movie Take Quiz On Movie