Two charges are placed along the x axis, with charge QA placed at the origin and charge QB placed at point (0, a) Figure below shows electric potential as a function of position along the x-axis. Determine the signs of the charges. y Qa QB x = 0 x = a Select all correct answers. This question awards all correct answers. QA is positive QB is positive QA is negative

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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.