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Homework Statement
The electric potential difference between two parallel metal plates is delta V. The plates are separated by a distance of 3 .0 mm and the electric field between the plats is E = 250 V / m. Calculate delta V
Homework Equations
E = - delta V / delta D
The Attempt at a Solution
250 V / m = - 120 V / D
D = -0.75 V
The answer says 0.75 V.
Is it positive or negative? can someone help?
The prior question I solved, using this formula and plugging in values gave me -1.2 * 10^3 N/C.
So, why is it positive? Thanks