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Which of the following figure represents the electric field lines due to a single positive charge?
The field lines of a single positive charge are radially outward.
Which of the following figure represents the electric field lines due to a single negative charge?
The field lines of single negative charge are radially inward.
Which of the following figures correctly shows the top view sketch of the electric field lines for a uniformly charged hollow cylinder as shown in figure?
For a uniformly charged hollow cylinder, the electric field lines are as shown in figure (b).
Figure shows the electric field lines around three point charges A, B and C. Which of the following charges are positive?
In the given figure, the electric lines of force emanate from A and C. Therefore, charges A and C must be positive.
Figure shows the electric field lines around three point charges A, B and C. which charge has the largest magnitude?
From the given figure it is clear that, maximum number of electric lines of force are associated with charge C, so it must have the largest magnitude.
Figure shows the electric field lines around three point charges A, B and C. which or regions of the figure could the electric field be zero?
From the figure, it is clear that, there cannot be a neutral point between a positive and a negative charge. Neutral point can be only there between two like charges i.e„ A and C. As magnitude of charge A is smaller than the magnitude of charge C, therefore, neutral point would lie closer to the charge A.
A non-uniform electric field is represented by the diagram. At which of the following points the electric field is greatest in magnitude?
Electric field strength is maximum where the electric field lines are closer.
Which of the following curves shown below cannot possibly represent electrostatic field lines?
Electrostatic field lines start or end only at 900 to the surface of the conductor. So curve (b) cannot represent electrostatic field lines.
Which of the following statements is not true about electric field lines?
In a charge-free region, electric field lines can be taken to be continuous curves without any breaks.