6 Questions
What is the SI unit of electric potential?
Volt
What happens to the electric potential at a point when work is done in moving a positive charge towards that point?
Increases
What is the electric field intensity at a point where the electric potential is constant?
Zero
In the context of electric potential, what happens to the potential energy when a positive charge is moved from a point of higher potential to a point of lower potential?
It increases
If the electric potential at a certain point in space is halved, what happens to the electric field intensity at that point?
It remains the same
When a positive charge is moved perpendicular to an electric field, what can be said about the work done and the change in electric potential energy?
Work done is zero and the electric potential energy remains constant
Study Notes
Electric Potential
- The SI unit of electric potential is the volt (V).
Work and Electric Potential
- When work is done in moving a positive charge towards a point, the electric potential at that point increases.
Electric Field Intensity
- At a point where the electric potential is constant, the electric field intensity is zero.
Potential Energy and Electric Potential
- When a positive charge is moved from a point of higher potential to a point of lower potential, the potential energy decreases.
Electric Field Intensity and Electric Potential
- If the electric potential at a certain point in space is halved, the electric field intensity at that point doubles.
Work and Electric Potential Energy
- When a positive charge is moved perpendicular to an electric field, the work done is zero, and the electric potential energy remains unchanged.
Test your knowledge of electric potential and field intensity with these questions about SI unit of electric potential, electric field intensity at a point, and changes in electric potential when work is done in moving a positive charge.
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