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Questions and Answers
What is the SI unit of electric potential?
What is the SI unit of electric potential?
What happens to the electric potential at a point when work is done in moving a positive charge towards that point?
What happens to the electric potential at a point when work is done in moving a positive charge towards that point?
What is the electric field intensity at a point where the electric potential is constant?
What is the electric field intensity at a point where the electric potential is constant?
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?
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?
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If the electric potential at a certain point in space is halved, what happens to the electric field intensity at that point?
If the electric potential at a certain point in space is halved, what happens to the electric field intensity at that point?
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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?
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?
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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.
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Description
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.
