Mapping a Magnetic Field

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Mapping a Magnetic Field Peter Jeschofnig, Ph.D. Version 42-0266-00-01 Lab Report Assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. Observations The field goes to the South Pole, the needle leads to the south. It moves in a curved line that keeps going off the paper. When the compass is between the two magnets its needle points straight up and down when the Poles are north on the inside. When the compass is between the two magnets and the South poles are on the inside the needle is kind of crooked diagonal. The magnetic field isn’t a perfect curve according to the compass. Questions A. What happens to the strength of the magnetic field as you move farther away from the magnet(s)? Closer? 1. As I move the compass further away from the magnetic field it points the direction it’s facing so the strength lessens. 2. As I move closer the needle spins towards the south pole of the magnet so it gets even stronger. B. How are the magnetic fields of the two magnet pair configurations similar? Different? 1. They are all curved. They all go towards the south poles of the magnets. 2. On one my curve is going the opposite directions on each magnet on the other ones it is all pointing the same direction, it may have been an error on my part because my compass was showing me the north

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