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# ES2 - Margaret Rah Lab ES2 Lab Partners Ranji Andrea...

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Margaret Rah Lab: ES2 Lab Partners: Ranji, Andrea Bankrowski TA: Vij V1-1 - Q Α =0 In this experiment we grounded sphere A and then connected sphere B to the 3000 V power supply, and connected the “Common” of the supply to ground. The spheres were placed 20 cm away from each other. We tested sphere A at 90 and 45 degrees. Using 0, 45, 90, 135, and at 180 degrees, then recorded the voltage. θ =90°, d = 20 cm Deg Φ Volts 0 .071 45 .007 90 .013 135 .006 180 .007 θ =45°, d = 20 cm Deg Φ Volts 0 -.041 9- .016 180 .002 VI-2: Sketch of Uncharged Sphere Negatively Charged Sphere Positively Charged Sphere

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VI-3 Graph for θ =45° Voltage VS Phi Graph for θ =90°
V1-4 In section A, sphere A was grounded to 0 giving it an equal amount of positive and negative charges. When placed 20 cm away from sphere B, the negative charges localized on the surface closest to sphere B, ( Φ =0) at both θ =45° and θ =90°. The positive charges were repelled to the far side of sphere A. The north pole value was neutral, being in the middle. In section B, sphere A was charged negatively by induction from sphere B. Again, the
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