AP Physics C: Electricity and Magnetism Question of the Day

Test your knowledge with a hand-picked multiple-choice question.

The potential outside of a charged conducting cylinder with radius and charge per unit length is given by the below equation.

$V=\frac{l}{2\pi\epsilon_0}$ln$\frac{R}{r}$$

What is the electric field at a point located at a distance from the surface of the cylinder?

Select an answer and click Check.