24. Electric Force & Field; Gauss' Law

An electron is placed at a point in a uniform electric field that points to the right. What is the direction of the force on the electron at this point?

Suppose in Figure 1, a point charge is moved farther away from a fixed observation point. How does the electric field strength $E$ at the observation point change?

A square has positive point charges of equal magnitude placed at three of its corners. What is the direction of the electric field at the fourth ($\mathrm{empty}$) corner?

Which of the following quantities is defined as the force per unit charge experienced by a positive test charge placed in a field? (That is, $E=\frac{F}{q}$)

In the context of electric fields, which of the following best describes the direction of the electric field at a point due to a positive point charge?

Which of the following best describes what the electric field strength indicates about an electric field?

Which of the following best describes the relationship between the magnitude of a point charge and the electric field strength it produces at a distance $r$ from the charge?

In ionization type detectors, what is the typical magnitude of the electric field between the two electrodes?

Which of the following best describes the direction of the electric field vector $\overrightarrow{E}$ at point P due to a single positive point charge located nearby?

A point charge of $q$ is located a distance $r$ from a dot as shown in Figure 1. What is the magnitude of the electric field at the dot due to the point charge?

In a parallel plate capacitor system with six plates arranged in sequence, plates $1$, $3$, and $5$ are connected to a positive terminal, while plates $2$, $4$, and $6$ are connected to a negative terminal. What are the charges on plates $3$ and $6$?

Which of the following configurations will result in a nonzero net force on a stationary positive charge placed at the origin, considering the orientations of electric and magnetic fields?

At point b, which of the following best describes the direction of the electric field due to a positive point charge located to the left of point b?

A point charge of $q$ is located at a distance $r$ from a dot in vacuum. What is the magnitude of the electric field at the dot?

In the context of electric fields around a current-carrying wire, what do the blue circles going around the wire most likely represent?