Podcast
Questions and Answers
In an electric field, if the force and the direction of displacement are opposite, what can be said about the work done and the change in electric potential energy?
In an electric field, if the force and the direction of displacement are opposite, what can be said about the work done and the change in electric potential energy?
What type of motion of a charge relative to the direction of the force aids in understanding changes in electric potential energy?
What type of motion of a charge relative to the direction of the force aids in understanding changes in electric potential energy?
What characteristic of charges makes determining the sign of the change in potential energy confusing?
What characteristic of charges makes determining the sign of the change in potential energy confusing?
In a uniform electric field, what does it mean if the net work done by the Coulomb force is zero?
In a uniform electric field, what does it mean if the net work done by the Coulomb force is zero?
Signup and view all the answers
For a pair of charges q and q0, what type of force is the Coulomb force considered to be?
For a pair of charges q and q0, what type of force is the Coulomb force considered to be?
Signup and view all the answers
What factor(s) determine(s) the work done by the Coulomb force for a pair of charges q and q0?
What factor(s) determine(s) the work done by the Coulomb force for a pair of charges q and q0?
Signup and view all the answers
If a test charge returns to its initial location in an electric field, what can we conclude about the net work done?
If a test charge returns to its initial location in an electric field, what can we conclude about the net work done?
Signup and view all the answers
Under what circumstances is the net work done by Coulomb force zero?
Under what circumstances is the net work done by Coulomb force zero?
Signup and view all the answers
What aspect allows us to differentiate between positive and negative changes in potential energy for charges?
What aspect allows us to differentiate between positive and negative changes in potential energy for charges?
Signup and view all the answers