The electric field between two parallel plates has a magnitude of 180 N/C. The two plates are 2.5 cm apart. Recall that the magnitude of the charge on an electron is 1.602 × 10-19 C. How much work is done to move an electron from the positive plate to the negative plate?

4.0 × 10-21 J
7.2 × 10-19 J
4.5 J
7200 J

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answer and explanation;

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