EC CRT - Name _ Summer 2007 Magnetism EC Draw a detailed...

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Name ___________________________ Summer 2007 Magnetism EC Draw a detailed picture showing the path of each particle as accurately as possible: 1. An electron moving initially at v i m s e = 7 ( / ) encounters a magnetic field ) ( ˆ 1 . 0 T k B - = Figure 1 2. An proton moving initially at v i m s p = - 19 ( / ) encounters a magnetic field ) ( ˆ 1 . 0 T k B - = Figure 2
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II. Controlling Electrons A cathode ray tube (CRT) consists of an electron beam that is controlled by magnetic and/or electric fields. Suppose we have constructed such a device that uses two magnetic fields to control the vertical and horizontal position of an electron beam on a monitor screen. Where B 1 is the magnetic field that controls the deflection in the horizontal direction and B 2 is the magnetic field that controls the deflection in the vertical direction. How would you determine the final location of the electron beam on the screen? Figure 3
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EC CRT - Name _ Summer 2007 Magnetism EC Draw a detailed...

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