Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Physics · Hard
→At a point electric field is zero, yet electric potential can be non-zero. What is the reason?
Class 12 · Physics · Hard
→At a point electric field is zero, but nearby field lines curve around it. Why should a field line not be drawn through the zero point?
Class 12 · Physics · Hard
→If equal magnitude positive and negative charges are inside a closed surface, must the electric field outside the surface be zero?
Class 12 · Physics · Hard
→Equal positive charges are placed at three corners of a square and the fourth corner is empty. The direction of net field at the centre will be related to what?
Class 12 · Physics · Medium
→Four equal positive charges are placed at the corners of a square. Why will the net electric field at the centre be zero?
Class 12 · Physics · Medium
→Three equal positive charges are placed at the corners of an equilateral triangle. What is the net electric field at the centre?
Class 12 · Physics · Medium
→If two equal magnitude fields are perpendicular, what angle does the resultant make with each field?
Class 12 · Physics · Medium
→In a small region the magnitude of electric field is constant but direction gradually rotates. What type of field is it?
Class 12 · Physics · Medium
→Why is a negative charge accelerated opposite to the tangent direction of a curved electric field line?
Class 12 · Physics · Hard
→A positive test charge is released on a curved field line. Will it necessarily move along the entire field line?
Class 12 · Physics · Hard
→Why does the far field of an electric dipole decrease faster with distance than the field of a point charge?
Class 12 · Physics · Hard
→At a far point on the equatorial line of an electric dipole, what is the direction of net electric field?
Class 12 · Physics · Hard
→At a far point on the axial line of an electric dipole, what is the direction of electric field?
Class 12 · Physics · Hard
→If the same number of field lines enter and leave a closed surface, what is the most suitable conclusion about the net charge?
Class 12 · Physics · Medium
→If more field lines leave a closed surface than enter it, what does it indicate about the sign of net charge inside?
Class 12 · Physics · Medium
→Field lines from a positive point charge spread out as distance increases. Which mathematical dependence does this match?
Class 12 · Physics · Hard
→Why is charge denser near sharp parts of an irregular conductor in electrostatic condition?
Class 12 · Physics · Medium
→Even when electric field inside an electrostatic conductor is zero, why can field exist just outside its surface?
Class 12 · Physics · Hard
→What would happen if the tangential component of electric field on the surface of an electrostatic conductor were not zero?
Class 12 · Physics · Hard
→