(Solved): Four point charges are arranged at the corners of a square as shown below. All four charges have th ...

Four point charges are arranged at the corners of a square as shown below. All four charges have the same magnitude, but two are positive and two are negative. Which statement below correctly describes the net electric potential and net electric field at the center of the square? a) $V_{\text{net }}=0$ and ${\vec{E}}_{net}=0$ b) $V_{\text{net }}?=0$ and ${\vec{E}}_{\text{net }}=0$ c) $V_{net}=0$ and ${\vec{E}}_{\text{net }}?=0$ d) $V_{net}?=0$ and ${\vec{E}}_{net}?=0$