Whitney Says That Gauss's Law Can Be Used to Find

question 80

Multiple Choice

Whitney says that Gauss's Law can be used to find the electric field of a sufficiently symmetrical distribution of charge as long as over the whole Gaussian surface. Algie says that the electric field must be a constant vector over the entire Gaussian surface. Which one, if either, is correct?

• A) Whitney, because that means no charge is enclosed within the Gaussian surface.
• B) Algie, because a constant electric field means that .
• C) Both, because the conditions in (a) and (b) are equivalent.
• D) Neither, because the electric field can be found from Gauss's law only if holds only over a portion of the Gaussian surface.
• E) Neither, because the charge distribution must be symmetric if anywhere on the surface.

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