Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Physics · Easy
→In a diagram, field lines are shown ending on a positive charge. Which rule is violated?
Class 12 · Physics · Easy
→In a diagram, field lines are shown emerging outward from a negative charge. Why is this wrong?
Class 12 · Physics · Easy
→A positive charge is placed in a uniform electric field. If its mass is increased but charge remains the same, what happens to the electric force?
Class 12 · Physics · Hard
→In a region the net electric field due to two charges is zero. What is the issue if field lines are shown passing through that exact point?
Class 12 · Physics · Medium
→If field lines are from left to right and their density is increasing, what will be the force direction and trend of magnitude on a negative charge?
Class 12 · Physics · Medium
→A positive charge is placed in a field where field lines become less dense while moving to the right. Which statement about the force on the charge is correct?
Class 12 · Physics · Medium
→A negative charge experiences an 8-newton force towards west. If its magnitude is 2 coulombs, what are the direction and magnitude of the electric field?
Class 12 · Physics · Easy
→At a point a force of 4 newtons acts on an unknown positive test charge and the electric field is 2 newtons per coulomb. What is the test charge?
Class 12 · Physics · Medium
→Why do electrostatic field lines not return to their starting point in a closed path?
Class 12 · Physics · Hard
→At a point on the equatorial line of an electric dipole, how is the direction of net electric field related to the dipole moment direction?
Class 12 · Physics · Hard
→For an electric dipole, a point is taken on the axial line outside the positive charge. What is the direction of electric field there?
Class 12 · Physics · Easy
→If the same number of field lines passes through a smaller area, what can be said about the field strength?
Class 12 · Physics · Medium
→Can the net electric field be zero at the exact midpoint between two unequal unlike charges?
Class 12 · Physics · Hard
→For two unequal positive charges, where is the point of zero net electric field generally found?
Class 12 · Physics · Medium
→If electric field lines are highly curved near a charge, what is the best way to find the direction at a point there?
Class 12 · Physics · Medium
→In a region field lines come from infinity and end on a negative charge. Which situation does this match?
Class 12 · Physics · Medium
→In a region electric field lines start from a positive charge and go to infinity. What can be inferred about the source arrangement from this diagram?
Class 12 · Physics · Medium
→For a positive point charge, the second distance is three times the first distance. What is the ratio of the first field to the second field?
Class 12 · Physics · Medium
→At a point two electric fields of magnitudes 8 and 6 newton per coulomb are perpendicular to each other. What is the magnitude of the net field?
Class 12 · Physics · Hard
→