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Class 12 · Physics · Medium
→Net flux through a closed surface is zero, yet field lines leave one part of the surface and enter another part. How is this possible?
Class 12 · Physics · Medium
→A closed surface contains two positive charges and one negative charge whose net charge is positive. A large negative charge is placed outside. What determines the net flux through the closed surface?
Class 12 · Physics · Medium
→Flux through a surface is positive. If the area vector of the same surface is reversed while the electric field remains unchanged, what happens to the flux?
Class 12 · Physics · Medium
→A plane surface has an area of four square metres and is placed in an electric field of ten newtons per coulomb. If the angle between the area vector and the electric field is sixty degrees, what is the electric flux?
Class 12 · Physics · Hard
→In a combined question on electric flux and an electric dipole, what should be identified first?
Class 12 · Physics · Hard
→If the dipole moment of a dipole is said to be zero but the separation between its charges is non-zero, which conclusion is suitable?
Class 12 · Physics · Medium
→If maximum flux through a surface is required, how should the surface be placed relative to the electric field?
Class 12 · Physics · Medium
→For a plane surface, which component of electric field contributes to flux?
Class 12 · Physics · Hard
→If the separation of charges in a dipole is very small but dipole moment is to remain finite, what must be understood about the charge?
Class 12 · Physics · Medium
→At a far equatorial point, dipole field is opposite to dipole moment. If the dipole moment is reversed, what happens to the field direction?
Class 12 · Physics · Hard
→At a far point on the axial line of a dipole, how is the field compared with a point at the same distance on the equatorial line?
Class 12 · Physics · Medium
→In a dipole field line diagram, lines go from positive to negative, but dipole moment is from negative to positive. Why is this not a contradiction?
Class 12 · Physics · Medium
→A polar molecule is placed in a non-uniform electric field. Why can it experience both rotation and attraction?
Class 12 · Physics · Medium
→Dipole moment is doubled and electric field is halved. At the same angle, how will the torque change?
Class 12 · Physics · Medium
→Both dipole moment and electric field of a dipole system are doubled while angle remains same. What happens to the torque?
Class 12 · Physics · Hard
→A dipole is placed in an electric field such that its dipole moment is opposite to the field. If released after a slight disturbance, toward which position will it rotate?
Class 12 · Physics · Hard
→Net charge inside a closed surface is zero, yet electric field is non-zero at some points on the surface. How is this possible?
Class 12 · Physics · Hard
→Flux through an open surface is zero. Does it definitely prove that electric field is zero?
Class 12 · Physics · Hard
→If total flux through a closed surface enclosing a complete dipole is zero, is flux through every small part of the surface also zero?
Class 12 · Physics · Hard
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