Question

If the horizontal component of the Earth's magnetic field is 20 μT and the field produced by the coil of wire is 15 μT, what will be the deflection angle of the compass assuming the two magnetic fields are perpendicular to each other? Exercise 2 Using Equation (1) and Equation (2), find an expression for the horizontal component of Earth's magnetic field BE,hor using the slope of a plot of the deflection angle tan θdef versus the current I. Equation (1) --> tan(θ)def = Bc,hor / BE,hor Equation (2) ---> Bc = μ0IN / 2r Exercise 3 From the website, look up the horizontal component of the magnetic field of the Earth for Missoula, Latitude 46.86° N, Longitude 114.01° W, elevation 3200 ft. http://www.ngdc.noaa.gov/geomag-web/#igrfwmm.

          If the horizontal component of the Earth's magnetic field is 20 μT and the field produced by the coil of wire is 15 μT, what will be the deflection angle of the compass assuming the two magnetic fields are perpendicular to each other?

Exercise 2 Using Equation (1) and Equation (2), find an expression for the horizontal component of Earth's magnetic field BE,hor using the slope of a plot of the deflection angle tan θdef versus the current I.

Equation (1) --> tan(θ)def = Bc,hor / BE,hor
Equation (2) ---> Bc = μ0IN / 2r

Exercise 3 From the website, look up the horizontal component of the magnetic field of the Earth for Missoula, Latitude 46.86° N, Longitude 114.01° W, elevation 3200 ft.
http://www.ngdc.noaa.gov/geomag-web/#igrfwmm.

Added by Nicholas W.

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