properties electric lines of force
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Properties of Electric Lines of Force or Field Lines
1. The electric lines of force are imaginary lines.
2. A unit positive charge placed in the electric field tends to follow a path along the field line if it is free to do
so.
3. The electric lines of force emanate from a positive charge and terminate on a negative charge.
4. The tangent to an electric field line at any point gives the direction of the electric field at that point.
5. Two electric lines of force can never cross each other. If they do, then at the point of intersection, there
will be two tangents. It means there are two values of the electric field at that point, which is not possible.
Further, electric field being a vector quantity, there can be only one resultant field at the given point,
represented by one tangent at the given point for the given line of force.
6. Electric lines of force are closer (crowded) where the electric field is stronger and the lines spread
out where the electric field is weaker.
7. Electric lines of force are perpendicular to the surface of a positively or negatively charged body.
8. Electric lines of force contract lengthwise to represent attraction between two unlike charges.
9. Electric lines of force exert lateral (sideways) pressure to represent repulsion between two like charges.
10.The number of lines per unit cross – sectional area perpendicular to the field lines (i.e. density of lines of
force) is directly proportional to the magnitude of the intensity of electric field in that region.
11. Electric lines of force do not pass through a conductor. Hence, the interior of the conductor is free from
the influence of the electric field.
12. Electric lines of force can pass through an insulator.
1. The electric lines of force are imaginary lines.
2. A unit positive charge placed in the electric field tends to follow a path along the field line if it is free to do
so.
3. The electric lines of force emanate from a positive charge and terminate on a negative charge.
4. The tangent to an electric field line at any point gives the direction of the electric field at that point.
5. Two electric lines of force can never cross each other. If they do, then at the point of intersection, there
will be two tangents. It means there are two values of the electric field at that point, which is not possible.
Further, electric field being a vector quantity, there can be only one resultant field at the given point,
represented by one tangent at the given point for the given line of force.
6. Electric lines of force are closer (crowded) where the electric field is stronger and the lines spread
out where the electric field is weaker.
7. Electric lines of force are perpendicular to the surface of a positively or negatively charged body.
8. Electric lines of force contract lengthwise to represent attraction between two unlike charges.
9. Electric lines of force exert lateral (sideways) pressure to represent repulsion between two like charges.
10.The number of lines per unit cross – sectional area perpendicular to the field lines (i.e. density of lines of
force) is directly proportional to the magnitude of the intensity of electric field in that region.
11. Electric lines of force do not pass through a conductor. Hence, the interior of the conductor is free from
the influence of the electric field.
12. Electric lines of force can pass through an insulator.
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HEY USER HERE IS YOUR ANSWER :-
1) the electric lines of force are discontinuous curves .
2) they start from a positively charged body and end at a negatively charged body .
3) No electric lines of force exist inside the charged body .
4) tangent to the line of force at any point gives the direction of electric intensity at that point .
5) the electric lines of force are always normal to the surface of a conductor .
6) No two electric lines of force can intersect each other .
7) the electric lines of Force exert a lateral pressure on account of repulsion between like charges .
HOpE iT HELPS YOU !!!!!......✌️✌️✌️
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