Problem 2: An electron in a television set is accelerated from the cathode to the screen through a potential difference of +1000 V. The screen is 35 mm from the cathode. a) What is the net change in the potential energy of the electron during the acceleration process? b) How much work is done by the electric field in accelerating the electron? c) What is the speed of the electron when it strikes the screen? Proble

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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.