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Field lines are drawn perpendicular to a charge or charged surface. The greater the magnitude of the charge, the stronger its electric field. We represent this by drawing more field lines around the greater charge than for charges with smaller magnitudes.
- Field lines are drawn perpendicular to a charge or charged surface. The greater the magnitude of the charge, the stronger its electric field. We represent this by drawing more field lines around the greater charge than for charges with smaller magnitudes.
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Following are the rules for drawing electric field lines: The field line begins at the charge and ends either at the charge or at infinity. When the field is stronger, the field lines are closer to each other. The number of field lines depends on the charge. The field lines should never crossover. Electric field and electric field line are tangent at the point where they pass through.
If |q1|>|q2|: If charge q 1 is greater than q 2, the neutral point ‘p’ shift towards the charge q 2 of smaller magnitude. Uniform Electric Field: In the uniform electric field the field lines start from the positive charge and goes to negative charge. The field lines are equidistant and lines are parallel in the uniform electric field.
The electric field is generated by the electric charge or by time-varying magnetic fields. In the case of atomic scale, the electric field is responsible for the attractive forces between the atomic nucleus and electrons which hold them together. According to coulomb’s law, a particle with electric charge q 1 at position x 1 exerts a force on a particle with charge q 0 at position x 0 of, Where, r 1,0 is the unit vector in the direction from point x 1 to point x 0. ε 0 is the electric ...
The field is larger when the charge is concentrated at a single point, for two reasons. First, when the charge is distributed over the line it is generally further away from the point than the point charge was - this reduces the magnitude of the field.
So the charges are equal. At point A, the electric field lines are denser compared to the lines at point B. So the electric field at point A is greater in magnitude compared to the field at point B. Further, no electric field line passes through C, which implies that the resultant electric field at C due to these two charges is zero. (iii) In ...