A Pair of Parallel Conducting Plates Have Potentials of -17 $\times$

question 23

Multiple Choice

A pair of parallel conducting plates have potentials of -17 V and 55 V,respectively.An electron is ejected from the plate at potential -17 V and travels to the plate at 55 V.What is the change in the electron's potential energy as it makes this journey?

• A) 6.1 \(\times\) 10^-18 J
• B) -6.1 \(\times\) 10^-18 J
• C) 1.2 \(\times\) 10^-17 J
• D) -1.2 \(\times\) 10^-17 J

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