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Class 12 · Physics
→If enclosed charge inside a closed surface is made three times and permittivity of the medium remains same, how does total flux change?
Class 12 · Physics
→Which statement about the relation between Gauss's law and Coulomb's law is correct?
Class 12 · Physics
→Gauss's law gives only total flux. What extra feature is needed to find electric field directly?
Class 12 · Physics
→If more field lines enter a Gaussian surface than leave it, what is the conclusion according to Gauss's law?
Class 12 · Physics
→If field lines leaving a Gaussian surface are twice the entering lines, what type of enclosed charge is indicated?
Class 12 · Physics
→A Gaussian surface does not enclose a charge, but the charge is very close outside it. What happens to total flux through the surface?
Class 12 · Physics
→If a positive charge is placed in the cavity of an initially uncharged hollow conductor, what total charge appears on the outer surface?
Class 12 · Physics
→A positive charge is placed inside the cavity of a hollow conductor. What charge is induced on the inner surface to keep field inside the conductor material zero?
Class 12 · Physics
→A cavity inside a conductor contains no charge. Why does field inside the cavity remain zero even if charges are placed outside?
Class 12 · Physics
→Why can electric field be stronger near a sharp conductor?
Class 12 · Physics
→The field near the surface of a charged conductor is larger. What does this indicate about surface charge density?
Class 12 · Physics
→Why must the tangential component of electric field at a conductor surface be zero?
Class 12 · Physics
→Why does excess charge of a conductor not remain in the volume in electrostatic equilibrium?
Class 12 · Physics
→In electrostatic equilibrium, total flux through a Gaussian surface inside a conductor is zero. What conclusion follows?
Class 12 · Physics
→In a uniformly volume-charged solid sphere, where is the electric field magnitude generally maximum?
Class 12 · Physics
→Outside a uniformly volume-charged solid sphere, how does electric field depend on distance?
Class 12 · Physics
→What is the electric field at the centre of a uniformly volume-charged solid sphere?
Class 12 · Physics
→Inside a uniformly volume-charged solid sphere, how does electric field change with distance from the centre?
Class 12 · Physics
→Why is the field outside a charged spherical shell treated like a charge at the centre?
Class 12 · Physics
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