An electron with an initial speed of 660,000 m/s is brought to rest by an electric field. Part A. Did the electron move into a region of higher potential or lower potential? Part B. What was the potential difference that stopped the electron? Express your answer with the appropriate units. Part C. What was the initial kinetic energy of the electron, in electron volts? Express your answer in electron volts

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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.