Class 032 - Electric Potential Lab

# Class 032 - Electric Potential Lab - PHYS 1112K Raghavan...

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PHYS 1112K Raghavan Lab 2: Electric Potential September 7, 2011 20points 1 Group Number: __________ Group Members Present: ________________________________ Each member to write ___________________________________ his/her name ________________________________ Objectives: Observe the Potential ( V) vs. Distance (r) relationship around a positive and a negative charge Understand the difference between electric potential and the electric potential energy Go to: http://phet.colorado.edu/simulations/sims.php?sim=Charges_and_Fields ; click Run Now Part one: Electric Potential around a single positive charge Click Grid and Show numbers Place a 1nC positive charge at the center of the grid. Let’s call this charge “ A ”, which is fixed at this position. Now assume that you are to bring another positive charge “ B ” close to charge A . 1. Qualitatively explain the nature of the force that B would experience as B gets closer and closer to the fixed charge A . If you were to hold B in place near A, in what direction would your hand apply a force on B? Draw a figure below showing A , B , and the direction of the force from your hand on B.

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PHYS 1112K Raghavan Lab 2: Electric Potential September 7, 2011 20points 2 2. Qualitatively explain the work done by you on the system, based on above explanation. (The system here is charges
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Class 032 - Electric Potential Lab - PHYS 1112K Raghavan...

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