The uniform electric field between two oppositely charged parallel plates does work on a series of small positively charged spheres in moving them from one plate to the other. The graph below represents the relationship between the work done on the spheres and their respective charges. Charge What does the slope of the graph represent? Work

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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.