smahmo08Lab4 (1)

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University of Guelph *

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1010

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Physics

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Dec 6, 2023

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pdf

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6

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Uploaded by DeanRockGerbil32

PHYS 1010 Sameer Mahmood Lab #4 Experiment #1: Methods: Firstly, I calibrated my IOLab through the IOLab software. In specific, the “accelerometer, magnetometer, and gyrometer” option. I used my mobile phone to determine the direction of North with the compass app. This was luckily directly facing towards the wall, so I was able to align the IOLab against the walls, shelves, etc. as a more accurate way to point the IOLab towards North. The IOLab was then placed in 6 locations: On the table (both y-axis facing north and up), on the floor with the y-axis facing North, beside a power supply with the y-axis facing the power supply, beside a laptop with the y-axis facing the laptop, and finally in the corner of the room with the y-axis facing North. This is a screencap of the magnetic field inconsistency throughout the room. The fluctuations throughout the data shows that the magnetic field is not consistent. This is due to the fact that only one side of the room has a light and electric outlet, and the other side is completely devoid of any electric items.
Results: This is a sample of data collection. This was taken in the corner of the room. The first little part before the big change was because I changed the orientation of the IOLab when placed on the floor. This is my data collection for the 6 locations and the magnitudes of the magnitude of the 6 locations. Near the bottom of the page, the measured and expected value of the magnetic field are stated. Earth Magnetic Field in ikj notation: (18.97i, -3.25j, 49.45k)µT
Conclusion: Expected actual Earth magnetic field at location: 53,058.2 nT Measured Earth magnetic field: 49,881.2 nT Percent difference: 6.37% Complete vector equation for magnetic field with the y-axis of IOLab facing magnetic North: [20.2i, 20,2j, -29.0k]µT
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Experiment #2: Methods: I oriented the battery with the IOLab in this fashion. It was in accordance with the diagram in the lab instructions, and the orientation was chosen in a way that the y-axis was facing north (not on purpose, just was placed in that fashion). 1 AA battery was used, and a single wire was taped and looped once, and changed accordingly for different experiments.
Results: This was the screencap data for the experiment when the wire was wrapped in only one loop. This is a sample calculation of my first experiment that involved only 1 loop in the wire with the battery near the IOLab.
Conclusion: During my experiment, the wire was arranged in 3 different ways throughout the experiment. 1 loop with a certain radius, 1 loop with a reduced radius, and 3 loops. Chart of current changes as the radius/loop values were altered. From my results, as the radius of the loop is lowered, the current and magnetic field is lowered. However, if the # of loops are increased, then the magnetic field is increased and the current is lowered. In conclusion, we can relate the radius of a loop to the current/magnetic field of the battery wire to the Earth’s size. Earth’s magnetic field is in a continuous flux, but the average of the magnetic field would be altered if the size of Earth was increased or decreased. As we can see from the experiment, if the Earth was smaller, the magnetic field of the Earth would be increased, and if it was larger, then the magnetic field would be decreased.
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