what are the components to find the magnitude of the electric field strength when only potential difference and that there are two oppositely charged plates that are separated by a given distance.
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I'm having a similar trouble. I know that E= deltaV / distance but in my book there is a problem where the the point of question (0V) is a distance 1cm from the next equipotential line (200V). The delta V is 200V. BUT in this other problem there are ovular circles around 0V and the equipotentials are 25V, 50V, 75V, and 100V. There is a point on the 50V line and the book says the delta V is 75V... What gives? Why is the delta V not 50V?