24. Electric Force & Field; Gauss' Law

In residential electrical systems, what is typically the highest short circuit current that can occur at the main service panel ($I\_\{\mathrm{sc}\}$)?

Why is electric charge usually transferred by $electrons$ rather than by $protons$?

An electromagnet produces a magnetic field as the result of $I$ flow in a conductor.

When a capacitor of capacitance $C$ is connected across a battery of voltage $V$, how much charge flows through the battery as the capacitor is being charged?

Which of the following is an example of an electric force acting at a distance?

Two parallel metal disks of radius $R$ are separated by a distance $d$ in vacuum and carry equal and opposite charges $Q$. What is the maximum potential difference that can be established between the disks before electrical breakdown of air occurs, given the breakdown electric field strength is $E_{\max }$?

An object has $4$ positive charges and $2$ negative charges. What is its total charge?

The negative or positive pole of an electric current is referred to as the _____.

Which of the following devices uses $\mathrm{electric} \mathrm{current}$ as part of its normal operation?

How does one $1 C$ (coulomb) of charge compare to the charge of a single electron ($\left|e\right|$)?

A thin rod of length $l$ carries a total charge $q$ distributed uniformly along its length. What is the linear charge density $\lambda$ of the rod?

Two point charges are separated by a distance of $25.0\mathrm{cm}$. If each charge has a magnitude of $2.0\times {10}^{-6}C$, what is the magnitude of the electrostatic force between them? (Assume vacuum, $k=8.99\times {10}^{9}N{m}^2{C}^{-2}$)

When a point charge is released from rest in a region containing a uniform $E$ field, what will be the motion of the charge?

If a point charge in an electric field is replaced by a charge of $+0.4\mu C$, how does the force experienced by the charge change compared to the original force experienced by a $+1.0\mu C$ charge at the same location?

A collection of $1.875\times {10}^{19}$ electrons has the charge of which of the following values?