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Class 12 · Physics · Medium
→At the midpoint between a positive charge and an equal negative charge, what is the direction of the electric field?
Class 12 · Physics · Medium
→What is the net electric field at the midpoint between two equal positive charges?
Class 12 · Physics · Easy
→If the magnitude of a positive point charge is doubled while distance remains the same, what happens to the electric field?
Class 12 · Physics · Easy
→If the distance from a positive point charge is doubled, what fraction of the electric field remains compared to the earlier value?
Class 12 · Physics · Easy
→At a point, the electric field is toward the right. If a negative test charge is placed there, in which direction will force act on it?
Class 12 · Physics · Easy
→If a small positive test charge placed at a point experiences a force of four newtons and the charge is two coulombs, what is the electric field at that point?
Class 12 · Physics · Medium
→Why is it important to observe both direction and density while reading an electric field line diagram?
Class 12 · Physics · Medium
→Why is the electric field stronger near a point charge and weaker far away?
Class 12 · Physics · Medium
→In an electric field line diagram, lines are closer at one place and farther apart at another. Where will a same positive charge experience greater force?
Class 12 · Physics · Medium
→If field lines in a small region appear nearly straight and equally spaced, what approximation is suitable for that small region?
Class 12 · Physics · Medium
→Which statement is correct about the relation between an equipotential surface and an electric field line?
Class 12 · Physics · Easy
→If the arrow direction on an electric field line is reversed, which physical information becomes wrong in the diagram?
Class 12 · Physics · Medium
→In a diagram, field lines between two positive charges bend away from each other. What is the correct reason?
Class 12 · Physics · Medium
→If electric field lines are from right to left, what is the direction of force on a negative charge placed there?
Class 12 · Physics · Medium
→If electric field lines are parallel and equally spaced from right to left, what is the direction of force on a positive charge?
Class 12 · Physics · Easy
→A 4 coulomb positive charge experiences 12 newton force at a point. What is the electric field at that point?
Class 12 · Physics · Easy
→Electric field at a point is 20 newton per coulomb. What force acts on a 0.5 coulomb positive charge placed there?
Class 12 · Physics · Medium
→How does the direction of electric field due to a point charge depend on the sign of the charge?
Class 12 · Physics · Medium
→If two field lines are shown intersecting in a diagram, what can be said about that diagram?
Class 12 · Physics · Easy
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