Physics Lab 8

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Florida International University *

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2048L

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Physics

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Dec 6, 2023

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docx

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Lab 8 Magnetic Field of a Solenoid PHY 2049 Lab Professor Chinaza Nwanno Florida International University
Premiliminary Analysis: 1) The direction the white dot on the sensor points to the left. 2) If you rotate the white dot to point the opposite way, the sign of the magnetic field will change. If you rotate the white dot so it points perpendicular to the axis of the solenoid, the magnetic field will be close to zero. 3) The magnetic field inside the solenoid seems to vary along its length by decreasing near the ends of the solenoid and it remains uniform in the center of the solenoid. 4) The magnetic field intensity just outside the solenoid will decrease.
Analysis: 1) The graph is below under graphs. 2) The magnetic field is related to the current through the solenoid because as the current through the solenoid increases, so does the magnetic field. 3) The equation of the best-fit line to the graph is y = 0.2392x – 0.020. 4) The values are in the data tables below. 5) The graph is below under graphs. 6) The magnetic field is related to the turns/meter of the solenoid because as the turns/meter decreases, so does the magnetic field. 7) The equation of best-fit line to the graph is y = 0.002558x – 0.02890. 8) The results agree with this equation because if you plug in the values from the data table into the equation, it will around the magnetic field that was found in the experiment. 9) For the graph from Part I, 10) 0.239 10−3 10−7(172)=3.47 2? 4? 11) . This is close to the theoretical value of 3.14. For the graph from Part II, [Equation] 4.26. This is not too close to the theoretical value of 3.14. 12) The position of the Slinky on the axis doesn’t affect the readings.
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