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3 cards from this section. Quick, good the night before a test.
Define electrostatic potential.
Think about energy needed to move a charge.
What is an equipotential surface?
Consider how potential behaves in space.
What does the electrostatic potential at a point represent?
Consider how work and energy relate to charge movement.
True or False: Equipotential surfaces run perpendicular to electric field lines.
Visualize electric fields in comparison to surfaces.
Calculate the potential energy of a system of three charges: 5μC, -2μC, and 3μC located at points 1 meter apart from each other.
Break this into parts and calculate each interaction carefully.
If you have two point charges, one positive and one negative, how does distance affect the potential energy between them? Can you express it mathematically?
Think about how charges attract or repel over distance.
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