Which of the following is incorrect about the electrostatic field lines?
1. These can be never be closed curves
2. On a conducting surface, the lines are perpendicular
3. They can pass through a conductor
4. If the lines are equispaced and parallel to one another, then the field is uniform
Given below are two statements:
Statement I: | A sensitive electric equipment can be saved from the electric field by enclosing it inside a metallic shell. |
Statement II: | Electric field inside a metallic shell is zero provided that the shell does not enclose any charge. |
1. | Statement I is correct and Statement II is incorrect. |
2. | Statement I is incorrect and Statement II is correct. |
3. | Both Statement I and Statement II are correct. |
4. | Both Statement I and Statement II are incorrect. |