AN electron gun has parallel plates separated by 4cm and gives electron 25000 eV of energy. (a) What is the electric field strength between the plates? (b) What force would this field exert on a piece of plastic with 0. 50C charge that gets between the plates?

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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.