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Electric Field & Potential Unit

PROGRESSIVE SCIENCE INITIATIVE® (PSI®)

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2 Comments

Eric Loesch • 1 year, 7 months agologin to reply

In the chapter problems, #46, the answer is given as 18V. If there is positive work done and the charge is negative, shouldn't the potential difference be negative as well?

John Ennis • 1 year, 7 months agologin to reply

Eric, the work done by the electric field is equal to W = -q delta V. Since q is negative and the work done is positive, delta V will be positive. The work done by an external force would be + q delta V. John

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