Electromagnetism + bell

Electromagnetism + bell - Magnetic Field Magnetic Field...

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Unformatted text preview: Magnetic Field Magnetic Field Magnets have both a north pole Magnets have both a north pole and a south pole. and a south pole. The magnetic lines of force flow The magnetic lines of force flow from pole to pole as shown in from pole to pole as shown in the sketch. the sketch. It is easy to feel the attraction It is easy to feel the attraction or repulsion when one plays or repulsion when one plays with two magnets. with two magnets. Electromagnetism Electromagnetism A magnetic field is produced when an electric current A magnetic field is produced when an electric current flows through a coil of wire. This is the basis of the flows through a coil of wire. This is the basis of the electromagnet. electromagnet. We can make an electromagnet stronger by doing We can make an electromagnet stronger by doing these things: these things: wrapping the coil around an iron core wrapping the coil around an iron core adding more turns to the coil...
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Electromagnetism + bell - Magnetic Field Magnetic Field...

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