An electron falls through a potential difference of `50,000 V`. What is the energy acquired by it?

An electron falls through a potential difference of `50,000 V`. What is the energy acquired by it?
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An electron falls through a potential difference of `50,000 V`. What is the energy acquired by it?
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An electron falls through a potential differsence of `1000 V` and gives up `1.6 xx10^(-16) J` of energy. What is the charge on the electron?

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