Question

A round wastebasket with radiys 0. 15m opening in a uniForm electric field of 300N/C prependicular to opening.waht is the total electric flux through bottom and sides?

Answer 1

$$\Phi_{out}=\Phi_{in}=EA$$

$$\Phi_{out}=4\pi r^2E=4\pi (0.15)^2(300)=85\ Vm$$