Table for Part 1 (20 points) Horizontal Component of Magnetic Field Vertical Com
ID: 1602449 • Letter: T
Question
Table for Part 1 (20 points) Horizontal Component of Magnetic Field Vertical Component of Magnetic Field 4.0 x IO T 1. Using your two measured components calculate the magnitude of the local Earth's magnetic field. (5 points) 2. The current accepted value of the magnitude of the Earth's magnetic field in the San Antonio area is 4.67 10-s T.Calculate the error between this and your measured value. (5 points) 3. Calculate the Dip Angle of the local Earth's magnetic field. (5 points) 4. The current accepted value of the Dip Angle of the local Earth's magnetic field in the San Antonio area is 58.20 Calculate the error between this and your measured value. (5 points)Explanation / Answer
(1) B = sqrt(Bx^2 + By^2)
= sqrt[ (2.248 x 10^-5)^2 + (-4.041 x 10^-5)^2]
= 4.62 x 10^-5 T
(2) % error = (4.67 - 4.62) / (4.67) x 100
= 0.05 x 100 / 4.67
= 1.07 %
(3) theta = tan^-1(4.041 / 2.248) = 60.9 deg downward
(4) % error = (60.9 - 58.2) / (58.2) x 100
= 4.64 %
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