An electron of charge \(1.6 \times\) \(10^{-19}\) is accelerated between 2 metal plates. If the kinetic energy of the electron is \(4.8 \times 10^{-17} \mathrm{~J}\), the potential difference between the plates is ____________

A. \(300 \mathrm{~V}\)  
B. \(30 \mathrm{~V}\)
C. \(400 \mathrm{~V}\)
D. \(40 \mathrm{~V}\)

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Correct Answer: A