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A given system has the equipotential surfaces shown below, where Vo = 12.0 V.

(a) What are the magnitude and direction of the electric field?

(b) What is the shortest distance one can move to undergo a change in potential of 5.00 V?

I am not too sure on what equations I can use to solve this, but I have a feeling one of them will be delta V = -W/qo, and I have no other ideas on how to approach this problem.

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# Equipotential surfaces

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