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Class 12 · Physics
→A metallic sphere is given positive charge. In electrostatic condition, which statement about field inside and field lines outside is correct?
Class 12 · Physics
→Why can electric field lines be denser near the pointed part of a conductor?
Class 12 · Physics
→If electric field lines are shown forming closed loops in a region, why is this diagram wrong for an electrostatic field?
Class 12 · Physics
→What contradiction arises if electric field lines are imagined to intersect?
Class 12 · Physics
→An electron is released from rest in a uniform electric field. In which direction will its acceleration be?
Class 12 · Physics
→A positive charge is released from rest in a uniform electric field. Air resistance is negligible. What type of motion will it have?
Class 12 · Physics
→A small positive charge is released on an electric field line. Will it always move along that same field line?
Class 12 · Physics
→At the midpoint of two equal positive charges, electric field is zero, but what about electric potential?
Class 12 · Physics
→Around a positive point charge, how do field lines meet a spherical surface centered on the charge?
Class 12 · Physics
→Due to two point charges, the fields at a point are four newtons per coulomb north and three newtons per coulomb east. Which statement about resultant direction is correct?
Class 12 · Physics
→A positive charge experiences force toward the right at a point. What will be the force on an equal magnitude negative charge at the same point?
Class 12 · Physics
→A diagram shows parallel field lines whose spacing keeps decreasing. What kind of field does it indicate?
Class 12 · Physics
→If electric field lines are very close in a region but arrow directions change rapidly, which statement best describes the field?
Class 12 · Physics
→At the centre of an electric dipole, in which direction are the field lines directed?
Class 12 · Physics
→What is the direction of net electric field on the equatorial line of an electric dipole?
Class 12 · Physics
→At a point on the axial line of an electric dipole outside the positive charge, what is the direction of net electric field?
Class 12 · Physics
→A closed conductor has an empty cavity with no charge inside and is in electrostatic equilibrium. What is the electric field inside the cavity?
Class 12 · Physics
→Electric field lines are normal to a conductor surface. If they made an oblique angle with the surface, what physical problem would arise?
Class 12 · Physics
→If the same number of electric field lines enter and leave a closed surface, what is the most suitable conclusion about the net charge?
Class 12 · Physics
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