lines of force are imaginary ,can they have any practical use?
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yes they have a practical use!
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Answer: yes they have a practical use!
Explanation:
Line of force
line of force, in physics, path followed by an electric charge free to move in an electric field or a mass free to move in a gravitational field, or generally any appropriate test particle in a given force field.
- Field lines, or lines of force, are used to represent pictorially the electric field . To be an accurate representation, they must have the following properties: 1. Field lines point in the direction of the electric field .
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