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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।

PhysicsIf a conductor has zero net charge but local positive and negative regions on its surface, how should this be understood?Class 12Electric Charges and FieldsConductors and InsulatorsHard PhysicsA charged comb attracts small pieces of paper. What is the correct advanced reason?Class 12Electric Charges and FieldsConductors and InsulatorsHard PhysicsWhat microscopic change can occur inside an insulator in an external electric field?Class 12Electric Charges and FieldsConductors and InsulatorsHard 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 main physical reason for keeping the tip of a lightning rod sharp?Class 12Electric Charges and FieldsConductors and InsulatorsHard PhysicsWhy is a lightning protection rod made of metal and connected to earth?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsA person inside a car gets relative protection during lightning due to which principle?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy does a closed metal cage protect from an external electrostatic field?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsThe electric field inside a closed conductor is zero. Which statement about energy associated with the electric field is correct?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsToward which state do free charges move while a conductor reaches electrostatic equilibrium?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsIf volume charge density inside a conductor is zero in electrostatic equilibrium, where will excess charge be?Class 12Electric Charges and FieldsConductors and InsulatorsMedium 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 PhysicsIn which condition can static charge remain on a metal object for a longer 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 PhysicsWhy is it wrong to treat 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 around 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 InsulatorsMedium PhysicsWhich is the most correct comparison between induction in a conductor and polarisation in an insulator?Class 12Electric Charges and FieldsConductors and InsulatorsMedium