Electric Field Lines

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What are electric field lines?
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Imaginary lines representing the direction of the electric field.
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What determines the direction of electric field lines?
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The direction a positive test charge would move in the field.
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How is the strength of the electric field indicated using field lines?
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By the density of the field lines.
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Do electric field lines ever cross each other?
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No, they never cross.
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What is the significance of electric field lines starting from positive charges?
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It represents the direction of force on a positive test charge.
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What do parallel and equally spaced field lines indicate?
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A uniform electric field.
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Why do electric field lines end on negative charges?
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Because negative charges attract positive test charges.
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What happens to electric field lines in the presence of conductors?
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They can't penetrate conductors under electrostatic conditions.
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How do electric field lines behave around an isolated positive charge?
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They radiate outward from the charge.
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What rule do electric field lines follow in an electric dipole?
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They originate from the positive charge and terminate on the negative charge.
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Can electric field lines form closed loops?
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No, they cannot form closed loops.
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How do electric field lines interact with points of higher charge density?
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More lines converge at points with higher charge density.
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What happens to electric field lines in regions of space without charges?
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They extend uniformly if the field is constant, or spread out if diminishing.
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How can electric field lines be used to determine the presence of equilibrium in electrostatics?
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Lines within a conductor do not exist, indicating equilibrium.
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What is the role of electric field lines in understanding electric forces?
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They visually represent the force's direction and strength on charges.
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