Difference in Potential (electrical level) between 2 places in an Electric flied, E (unit are volts) For
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Difference in Potential (“electrical level”) between 2 places in an Electric flied, E (unit are volts)
For a point charge of q = +5/9 nC (n = 10-9), ke = 9.0x10 9 Nm 2 /C
- Determine the distance, r, at which the potential is 500V, 400V, 300Vm 200V & 100V
- Draw freehand a 2-dimensional potential map showing the five equipotential lines.
- Graph the potential V-versus-x along and x-axis passing through the charge (including both negative a positive value for x0.
- Looking at the slope, determine if E x points (toward or away from the charge), and how the field strength varies with distance (increases, decreases, or stays the same)
- Draw electric field vectors on the map. Make sure you have the correct direction and the vectors get shorter with weaker fields.
- Estimate (calculate the approximate) field strength E at a point where V = 400V. Use the potential versus position data.
- Finally, calculate the exact field strength for a point charge at that distance and compare.
Related Book For
College Physics
ISBN: 978-0495113690
7th Edition
Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett
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