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Chapter1 Electric Charges And Fields

Class 12 Physics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

PhysicsA conductor has zero field inside but field exists outside. What is the most correct meaning?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsIn which situation can local positive and negative regions form on a conductor with zero net charge?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsA charged comb attracts small pieces of paper. What is the correct advanced reason?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat microscopic change can occur inside an insulator in an external electric field?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsIf an insulator has localized charge why may touching one point to earth not discharge the whole object immediately?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat is the physical reason for keeping the tip of a lightning rod sharp?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy is a lightning protection rod made of metal and connected to earth?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy does a person inside a car get relative protection during lightning?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsHow does a closed metal cage protect the inside from an external electrostatic field?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsIf the electric field inside a closed conductor is zero, what can be said about energy associated with the electric field inside?Class 12Electric Charges and FieldsConductors and InsulatorsHard PhysicsToward which state do free charges move while a conductor reaches electrostatic equilibrium?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy is excess volume charge density inside a conductor considered zero in electrostatic equilibrium?Class 12Electric Charges and FieldsConductors and InsulatorsHard PhysicsThe electric field inside a conductor is zero. Does this prove that there is no charge on the conductor?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy may charge not divide equally between two unequal conductors in contact?Class 12Electric Charges and FieldsConductors and InsulatorsHard PhysicsWhy can final charge become equal when two identical metal spheres are brought into contact?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhich condition is most suitable for retaining static charge on a metal object for a long time?Class 12Electric Charges and FieldsConductors and InsulatorsEasy PhysicsWhy is it difficult to retain static charge on a metal object held by hand?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat is the basic error in treating an insulator as equipotential like a conductor?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsIf charge is localized on an insulator, how can the electric field near it be?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy does charge produced by rubbing on an insulator not spread uniformly over the whole surface?Class 12Electric Charges and FieldsConductors and InsulatorsEasy