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Class 12 · Physics
→If a surface is parallel to the electric field, what is the angle between the area vector and the electric field?
Class 12 · Physics
→Surface area becomes double, electric field becomes triple and angular factor becomes half. What happens to the flux?
Class 12 · Physics
→If electric field is not perpendicular to a surface, what is the most common mistake while calculating flux?
Class 12 · Physics
→Gauss law gives total flux. Why is it difficult to directly find field at every point on an asymmetric surface?
Class 12 · Physics
→A closed surface has zero net charge inside, but contains a dipole. What is the correct conclusion from Gauss law?
Class 12 · Physics
→A dipole is antiparallel to the field. If slightly rotated, why does it not return?
Class 12 · Physics
→A dipole is parallel to the field. If slightly rotated, why does it tend to return?
Class 12 · Physics
→In a uniform field, net force on a dipole is zero. Still why does its energy depend on angle?
Class 12 · Physics
→Why is permanent dipole moment zero in a non-polar molecule when no external field is present?
Class 12 · Physics
→Why does a polar molecule tend to align in an external uniform electric field?
Class 12 · Physics
→A dipole has zero net charge, yet how can its dipole moment be non-zero?
Class 12 · Physics
→If charge of a dipole is halved and separation is made four times, what happens to dipole moment?
Class 12 · Physics
→If both the charge magnitude and separation of a dipole are doubled, what happens to the dipole moment?
Class 12 · Physics
→Near the centre of a dipole, field lines go from positive to negative. In which direction is the dipole moment of the same dipole taken?
Class 12 · Physics
→Why is the net field on the equatorial line of a dipole opposite to the dipole moment?
Class 12 · Physics
→At the same far distance, what is the relation between the axial and equatorial field magnitudes of a dipole?
Class 12 · Physics
→At a far equatorial point of a dipole, if the distance is tripled, what fraction of the field remains?
Class 12 · Physics
→At a far point on the axial line of a dipole, if the distance is doubled, what fraction of the field approximately remains?
Class 12 · Physics
→A dipole has zero net charge, yet why can it experience a pull in a non-uniform field?
Class 12 · Physics
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