physics lab

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Title: physics lab

Essay Details:

Subject: Science

Author: Manuel N

Date: July 31, 2013

Level: University

Grade: A

Length: 3 / 734

Essay text:

From this data we will be able to calculate the charge-to-mass ratio. Then, using the accepted value, we can calculate the percentage error. This lab requires the use of two important pieces of equipment: the Helmholtz Coils and the deflection tube. The Helmholtz coils are used to generate the constant magnetic field. The power supply sends a current through the coils. This current generates a constant magnetic field which acts on the electron. The deflection tube is the device that emits the ray of electrons. The electrons get emitted because a filament wire becomes heated and releases the electrons...

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