Example 24.4 The Electric Field Due to a Point Charge Problem Starting with Gauss' law, calculate the electric field due to an isolated point charge q. Gaussian surface Strategy This is the simplest possible charge distribution. Using a spherical gaussian surface centered on the point charge, apply Gauss' law and solve for the electric field. Figure 24.10 The point charge q is at the center of the spherical gaussian surface, and is parallel to dA at every point on the 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.