AP Physics C: Electricity and Magnetism Question of the Day

Daily challenge for AP Physics C: Electricity and Magnetism. Test yourself and track progress.

For a ring of charge with radius and total charge , the potential is given by $V=\frac{1}{4\pi\epsilon_0}$$\frac{q}{\sqrt{x^2+a^2}$}$ .

Find the expression for electric field produced by the ring.

Select an answer and click Check.

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