Experiment_1

# Experiment_1 - B is called the potential difference between...

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Experiment 1 Electric Fields and Equipotentials Ahmad Rahman Date Preformed – 01/16/09 Date Due – 01/23/09

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Purpose The purpose of the lab is to map the equipotential lines and field lines for two- dimensional charge configurations. Theory To find the magnitude of the electrostatic force between two point charges Q and q is given by Coulomb’s law: o = F kQqr2 o Where r is the distance between the charges and the constant = . × k 9 00 109 Nm2C2 . Like charges repel, and like unlike charges attract. The magnitude of the electric field is defined as the electrical force per unit charge. o = = E Fq kQr2 We can also can write a unit vector equation that gives both the magnitude and direction of the electric field E , by using the unit vector = r rr o = E Qr2r Note that, by definition the electric field of a point charge always points away from a positive charge but towards a negative charge. The work done by an electric field in moving a unit charge from point A to point

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Unformatted text preview: B is called the potential difference between these two point: o =-= ∆VAB VA VB WABq o Experimental Data o o o A o B o C o D o E o A V E R A G E o 1 o 8 . o 8 . o 8 . o 8 . o 8 . o 8 . 4 2 3 9 2 6 3 4 8 3 7 o 2 o 6 . 8 5 o 6 . 8 4 o 6 . 6 7 o 6 . 7 9 o 6 . 6 7 o 6 . 7 6 4 o 3 o 5 . 5 o 4 . 9 1 o 5 . 1 5 o 4 . 9 4 o 5 . 1 o 5 . 3 o 4 o 3 . 3 1 o 3 . 3 1 o 3 . 2 4 o 3 . 3 1 o 3 . 2 9 o 3 . 2 9 2 o 5 o 1 . 7 3 o 1 . 6 9 o 1 . 5 8 o 1 . 6 4 o 1 . 6 9 o 1 . 6 6 6 o o o A o B o C o D o E o F o G o H o 1 o 4 o 4 o 4 o 4 o 4 o 4 o 4 o 4 o 2 o 1 o 1 o 1 o 1 o 1 o 1 o 1 o 1 o 3 o o o o o o o o o o o A o B o C o D o E o F o G o H o 1 o 6 o 7 o 7 o 7 o 7 o 6 o 7 o 6 o 2 o 5 o 6 o 6 o 7 o 6 o 6 o 5 o 5 o 3 o 4 o 4 o 4 o 4 o 4 o 4 o 4 o 4 o 4 o 3 o 3 o 2 o 2 o 2 o 3 o 3 o 3 o 5 o 2 o 2 o 1 o 1 o 1 o 2 o 2 o 2 o Results and Analysis o o o o o o o o o o o o o o o o o o...
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Experiment_1 - B is called the potential difference between...

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