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Charge To Mass Ratio For An Electron
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| Submitted: Thu Jul 11 2002
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Physics Formal Lab Charge To Mass Ratio For An Electron Professor: Dr.Kilner Ta: Mr.Laderman Done by: Amir Mofidi 010238350 Section 004 Abstract How electrons behave in the presence of a magnetic field was the purpose of this lab. In particular, how there is a force acting on the electron in a magnetic field related to its velocity; or in other words the force acting on the electrons will cause them to move in a circular path. Measuring the charge to mass ratio of an electron using an apparatus which fires electrons into a uniform magnetic field produced by Helmholtz coils; the particles follow a circular path. The anode voltage was set at 200v; the radius of the curvature of the electrons was changed by adjusting the Helmholtz coils current. Its radius ranges from 11cm to 6 cm; the strength of the magnetic field and the speed of the moving particles, one can figure out...
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