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Questions and Answers
What do electric field lines represent?
What do electric field lines represent?
- The speed of the electrons in the electric field
- The direction of the force experienced by a positive test charge (correct)
- The density of charge in a given region
- The potential energy of an electric field
How are electric field lines related to the strength of the electric field?
How are electric field lines related to the strength of the electric field?
- Widely spaced lines indicate a stronger electric field
- The length of the lines determines the strength of the electric field
- Closer spacing indicates a stronger electric field (correct)
- Electric field lines do not provide any information about the strength of the electric field
What is the significance of the number of electric field lines around a charged object?
What is the significance of the number of electric field lines around a charged object?
- It indicates the magnitude of the charge on the object (correct)
- It represents the speed at which charges move within the object
- It shows the size of the object
- The number of field lines has no significance
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Study Notes
Electric Field Lines
- Electric field lines represent the direction and magnitude of the electric field at a given point in space.
- The density of electric field lines around a charged object represents the strength of the electric field, with more lines indicating a stronger electric field.
Significance of Electric Field Lines
- The number of electric field lines around a charged object is proportional to the magnitude of the electric charge, with more lines indicating a greater charge.
- The closer together the electric field lines are, the stronger the electric field is at that point.
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