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Class 12 · Physics · Hard
→For an infinite plane sheet, why is flux through the curved part of a small cylindrical Gaussian surface zero?
Class 12 · Physics · Hard
→For an infinite charged plane sheet, what happens to electric field if distance is made five times?
Class 12 · Physics · Hard
→If distance from a long line charge is made three times, what fraction of electric field remains?
Class 12 · Physics · Hard
→For a long uniformly charged wire, why is flux through the flat ends of a cylindrical Gaussian surface zero?
Class 12 · Physics · Hard
→Why is knowing only net flux not enough to find electric field using Gauss's law?
Class 12 · Physics · Hard
→A point charge is at the centre of a spherical Gaussian surface. If radius is doubled, what happens to total flux and field on the surface?
Class 12 · Physics · Hard
→A point charge is placed at one corner of a cube. The total flux through that cube is what fraction of the full enclosed-charge flux?
Class 12 · Physics · Hard
→A point charge is placed at the centre of a cube. What fraction of total flux passes through one face?
Class 12 · Physics · Hard
→A closed surface has zero net charge inside but electric field on the surface is not zero everywhere. According to Gauss's law, what is correct?
Class 12 · Physics · Hard
→In Gauss's law, if a charge inside a closed surface is moved from the centre to near the boundary, what happens to total flux?
Class 12 · Physics · Hard
→In a hard Gauss's law question, what is the safest first check?
Class 12 · Physics · Hard
→Which is the correct distance dependence of fields from a point charge, a long line charge, and an infinite sheet using Gauss's law?
Class 12 · Physics · Hard
→If Gauss's law gives zero total flux, is it always correct to take electric field as zero on the Gaussian surface while finding field?
Class 12 · Physics · Hard
→Electric field is zero everywhere on a closed surface. Can a complete electric dipole be inside it?
Class 12 · Physics · Hard
→If a uniform magnitude field is everywhere perpendicular inward on a closed surface, what is the sign of net enclosed charge?
Class 12 · Physics · Hard
→On a closed surface, electric field is everywhere perpendicular outward and uniform in magnitude. If total surface area doubles while field remains same, what happens to total flux?
Class 12 · Physics · Hard
→Total flux through a closed surface is found positive, but net charge inside is stated zero. What is the most suitable comment?
Class 12 · Physics · Hard
→If a part of a Gaussian surface is parallel to electric field, why does that part not contribute to flux?
Class 12 · Physics · Hard
→For an infinite plane sheet, why is flux through the two flat faces of the Gaussian pillbox equal?
Class 12 · Physics · Hard
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