7. Electricity and Magnetism
Electric Potential — Quiz
Test your understanding of electric potential with 5 practice questions.
Practice Questions
Question 1
What is the relationship between electric potential and electric field in a uniform electric field?
Question 2
What is the electric potential at the surface of a conducting sphere of radius $R$ carrying a charge $Q$?
Question 3
What is the electric potential at a point $r$ from a dipole consisting of charges $+q$ and $-q$ separated by a distance $d$, for $r \gg d$?
Question 4
In a region of space, the electric potential is given by $V(x,y) = 3x + 4y$. What is the magnitude of the electric field in that region?
Question 5
A charge of $-2 \, \mu C$ is moved from a point where the electric potential is $12 \, V$ to a point where the electric potential is $4 \, V$. What is the change in electric potential energy of the charge?