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Class 12 Mcq

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

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 PhysicsWhat is the most accurate difference between induction in a conductor and polarisation in an insulator?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy is attraction possible in a polarised insulator even though its net charge does not change?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsThe potential of an earthed conductor tends to become equal to what?Class 12Electric Charges and FieldsConductors and InsulatorsEasy PhysicsWhat can happen if the external charged object is removed first while earthing remains connected during induction charging?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy must the earth connection be removed first in charging by induction?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsFor an earthed conductor near a negatively charged rod, in which direction can electrons move?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsFor an earthed conductor near a positively charged rod, in which direction can electrons move?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat is the main function of earthing in actual charging by induction?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsIf a charged object is only brought near a conductor, with neither contact nor earthing, what happens to the conductor's net charge?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat effect appears at the near end when a negatively charged rod is brought close to a neutral conductor?Class 12Electric Charges and FieldsConductors and InsulatorsMedium