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Answer to Question #5751 in Electric Circuits for dani

Question #5751
If you use 20 J of work to push a 2-C charge into an electric field, its voltage with respect to its starting postition is A. 10 V, B. less than 10 V, C. more than 10 V
Expert's answer
Answer: A. 10V
Potential difference of 1V this is such a difference, that the charge transfer in 1C requires 1 J of energy.
By the condition we have charge of 2C, and the work of 20 J respectively leaves just 10 V.

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