Charges of +2q, +q, and -q are distributed in an area as shown above. Consider a Gaussian surface located around the +2q charge, with a point P located on the surface as shown. Which of the following statements is true? a. The net flux through the Gaussian surface depends only on the +2q charge. b. The electric field at P depends only on the +2q charge. c. The electric field is the same everywhere on the Gaussian surface. d. The electric field is the same everywhere inside the Gaussian surface.

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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.