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......An electric field depends on x-position as E~ (x) = E0 cos( x d ) ˆ...

......An electric field depends on x-position as E~ (x) = E0 cos( x d ) ˆ k, where E0 is the maximum field strength and d is a distance constant. What is the potential di↵erence (V1 – V2) between points x1 = ⇡d/2 and x2 = ⇡d?

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