Day 21:
Experiment #1 Measuring Earth Magnetic Field
The slope of this graph represents the magnetic field of the earth. From the fit equation we determined that the earth magnetic field is 10.5 micro-Tesla. The actual value is 25 to 65 micro-Tesla, and ourexperimental value is lower than the real value because of atmospheric considerations, such as the fact that we did our experiment inside a steel building.
Activity #2 Solenoid
We calculated the magnetic field of a solenoid, basically a very coiled conductor.
The calculated vs. the experimental value of the magnetic field is off by 0.04mT.
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