24. Electric Force & Field; Gauss' Law

If every minute, $120C$ of charge flow through a cross section of a wire, what is the average current in the wire?

A positive point charge is placed in a uniform electric field pointing to the right. What is the direction of the force acting on the charge?

Two point charges, $q=5.0\mathrm{nC}$ and $Q=10.0\mathrm{nC}$, are separated by a distance of $r=0.20m$ in vacuum. What is the magnitude of the force $F$ on the $5.0\mathrm{nC}$ charge?

In the context of electric generators, what is the primary function of the slip rings?

A certain cylindrical wire carries a steady current. Which of the following statements about the distribution of electric charge within the wire is correct?

If a toy car has a current of $1.5 A$ flowing through it for $10 s$, how much electric charge passes through the car during this time?

A proton with an initial speed of $900000m/s$ is brought to rest by a uniform electric field. What is the direction of the electric field relative to the proton's initial motion?

Two equally charged particles are held $3.2$ meters apart in vacuum. If the electrostatic force between them is $2.0\times {10}^{-6}$ newtons, what is the magnitude of the charge on each particle?

When a large electric current flows through a straight horizontal wire from west to east, in which direction will the north pole of a magnetic compass placed directly above the wire point?

Which of the following best describes the fundamental difference between a generator and an electric motor in terms of energy conversion?

Rubbing a balloon on your hair to give it a charge is an example of which method of charging?

Which of the following could be the net charge found on an object?

Which of the following is the correct conversion factor between $\mathrm{warmombs}$ and $\mathrm{coulombs}$?

How is a charged object able to move other objects from a distance?

Object A has a charge of $+2\mu C$. Which of the following statements is correct about the nature of its charge?