Magnetic Forces I writeup

Magnetic Forces I - Pooja Parekh Magnetic Forces I PHY 134 Section 2 Abstract The purpose of this lab was to determine the vertical component of

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Unformatted text preview: Pooja Parekh Magnetic Forces I PHY 134 Section 2 Abstract The purpose of this lab was to determine the vertical component of Earth’s Magnetic Field through measurement of a current-carrying wire that is stretched between two supports. The formula for magnetic force is F= l IxB. A 20 g mass was attached to the end of the wire, thus resulting in mechanical tension equivalent to T(x)=cos =T θ . The maximum deflection is calculated using the equation y max =(IB vert /T )/.5L 2 . The current will be measured to find y max to determine B vert . Earth’s magnetic field is caused by the dynamo theory in which the motion of a conductive body in the presence of a magnetic field regenerates the magnetic field. The liquid iron in Earth’s outer core is what drives the dynamo action. The convection of molten iron along with the Coriolis Effect- the overall rotation of the planet that organizes current along the north-...
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This note was uploaded on 04/28/2008 for the course PHY 132 taught by Professor Rijssenbeek during the Spring '04 term at SUNY Stony Brook.

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Magnetic Forces I - Pooja Parekh Magnetic Forces I PHY 134 Section 2 Abstract The purpose of this lab was to determine the vertical component of

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