An electron gun consists of two parallel plates separated by a distance of 1.00 cm. If an electron is injected close to the negative plate with an initial velocity of 0, what does the potential difference need to be between the plates to accelerate the electron to 3x107 m/s by the time it reaches the other plate?

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A: The correct answer is option (E).

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.