24. Electric Force & Field; Gauss' Law

If a positive point charge is placed at the center of a cube, what is the net electric flux through one face of the cube?

A point charge of $5\mu C$ is located at the origin. Determine the magnitude of the electric field at point 1, which is $2m$ away from the charge. (Assume $k=8.99\times 109^N{m}^2{C}^{-}$)

A proton is placed in a uniform electric field directed upward. What is the magnitude of the electric field required to exactly balance the weight of the proton? (Let $m$: mass of proton, $g$: acceleration due to gravity, $e$: charge of proton)

A large non-conducting slab of thickness $2d$ has a uniform volume charge density $\rho$. What is the magnitude of the electric field at a point located at a distance $x$ from the center of the slab, where $0<\left|x\right|<d$?

Which of the following is true about electric field lines due to static charge distributions?

A point charge of $2·10{\mathrm{-6}}^{\mathrm{}}C$ is located $0.5m$ away from a dot. What is the magnitude of the electric field at the dot?

Two identical disks, each with charge $Q$ and radius $R$, are placed parallel to each other with their centers separated by a distance $d$ (where $d>R$). What is the magnitude of the electric field $E$ at the midpoint between the two disks along the axis connecting their centers?

$When\; a\; beam\; containinge-(electrons),p+(protons),n(neutrons),\; and\alpha (alpha\; particles)\; passes\; through\; a\; uniform\; electric\; field,\; which\; particle\; remains\; undeflected?$

Two identical rings, each of radius $R$, are placed parallel to each other and separated by a distance $2d$. Each ring carries a uniform charge $Q$. What is the magnitude of the electric field $E$ at the midpoint between the two rings along their common axis?

Given a point charge of $q$ located at the origin, what is the strength of the electric field at a position indicated by a dot located a distance $r$ from the charge in vacuum?

For a point charge located at the origin, what is the radial component of the electric field at a distance $r$ from the charge?

An electric field at a point in space is defined as the force per unit charge experienced by which type of particle placed at that point? $E=\frac{F}{q}$

Consider two point charges: a $10\mathrm{nC}$ charge and a $20\mathrm{nC}$ charge placed a certain distance apart on a straight line. Is there a point between them where the net electric field is zero?

Consider two point charges of equal magnitude but opposite sign placed a distance $d$ apart along the x-axis, as shown in Figure 1(a). At which point or points along the line joining the charges is the electric field zero?