24. Electric Force & Field; Gauss' Law

In the context of electric charge, if all the charges in a figure are point charges, which of the following statements is correct about the electric field at a point not coinciding with any charge?$q$

A silver wire has a resistivity of $1.59\times {10}^{-8}$ $\Omega \cdot m$. If the wire has a length of $2.0$ meters and a cross-sectional area of $1.0\times {10}^{-6}$ $m^2$, what is its resistance?

When a negatively charged rod touches a neutral metal sphere, what will happen to the excess electrons on the rod?

An ungrounded conductor is also known as a ____ conductor.

If a current of $6.0A$ flows through a circuit, how much time will it take for a charge of $24C$ to pass through a point in the circuit?

An isolated conductor has a net charge of $\mathrm{+5}\mu C$. Which statement is true about the distribution of this charge?

Which of the following is NOT a factor that affects the flow of electric current $I$ in a conductor?

If a box is placed in a region where the $E$ field lines enter the box from one side and exit from the opposite side, with the same number of lines entering and leaving, does the box contain positive charge, negative charge, or no charge?

A circuit contains a battery with an emf of $13.1V$. If the battery is connected to a resistor of $5.0\Omega$, what is the current flowing through the resistor?

If you transfer some electrons to a metal ball, what happens to the net electric charge of the ball?

Which of the following changes would cause two oppositely charged objects to experience a greater attractive force between them according to Coulomb's law ($F=\frac{k{q}_1{q}_2}{r^2}$)?

Which type of current does a typical battery produce, and which type of current is generated at a commercial power station?

Why is it possible for a bird to sit on a high-voltage wire without being electrocuted?

In an experiment involving an electron beam, electrons are accelerated through a potential difference of $V$. What is the speed of the electrons after passing through the potential difference, assuming non-relativistic speeds?

In an electric circuit, what is the primary cause that makes electric charges move through the conductor?