Electric Potential Energy
About the Lecture
The lecture Electric Potential Energy by Jared Rovny, PhD is from the course Electrostatics.
Included Quiz Questions
What is the unit of electric potential energy?
- Joules
- Newtons
- Coulombs
- Joules per Coulomb
- Newtons per Coulomb
Why is electric force a conservative force?
- The electric potential energy difference of a charge only depends on the initial and final points and is independent of the path taken between the two points.
- The electric potential energy difference of a charge depends on the path taken between two points.
- The electric potential energy difference of charge q between two points is independent of the sign of q.
- The electric potential energy difference of charge q between two points is independent of the mass of charge q.
- Charges eventually flow in the direction of lower electric potential energy.
What is the energy required to move charge q between two points with voltage V?
- qV
- V/q
- VU
- qE
- Vq²
You move a charge from point A to point B in a potential field once along the straight line connecting the two points and another time along a longer path. Which of these require more work?
- They both require the same amount of work.
- The longer path
- The shorter path
- More information is needed.
- The longer path if the charge was negative.
Which of the following are scalar quantities?
- Potential energy and electric potential
- Potential energy and electrical force
- Potential energy and electrical field
- Electric field and electrical force
- Electrical force and voltage
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Author of lecture Electric Potential Energy
Jared Rovny, PhD
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