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The makeshift contraption above was used in order to determine the magnetic field of the earth.
Our group used what we knew about the Biot-Savart Law in order to calculate the magnetic field of the coil using the current, radius, number of turns, and the constant given. The relationship between the magnetic field from the earth and coil were used to determine this field. We based our calculation of the field based on the direction the compass was pointing, measured approximately in degrees. W had a known current and solved for the earth's field by dividing the coil's field by the tangent theta. The graph of the coil's field vs tangent theta is given below:
We used a general line of best fit and the slope was 1.055*10^-5 T
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