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does not make any guarantee or representation Depending on which pole is up (a mark on your magnet might tell you which is north or south), the wire will bend away from the magnet or farther into the “U.”Į provides the Science Fair Project Ideas for informational Because the magnetic field created by the electric current in the wire is changing directions around the wire, it will repel both poles of the magnet by bending away from the wire. The phrase “opposites attract” applies to magnets therefore north-south interactions stick together, and north-north and south-south interactions repel, or push away from each other. Magnets, like the horseshoe magnet used in this exercise, have two poles, south and north. This can help you determine what the direction of the magnetic field will be. Current flows from the negative end of a battery, through the wire, to the positive end of the battery. This means when you change the direction of the current, you also change the direction of the magnetic field. The current will flow in the direction the thumb is pointing, and the magnetic field direction will be described by the direction of the fingers.
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