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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।

PhysicsIf a material has very few free charge carriers, which electrostatic behaviour is more likely?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat decides the most fundamental difference between a conductor and an insulator?Class 12Electric Charges and FieldsConductors and InsulatorsEasy PhysicsWhich gives the complete identity of the electrical behaviour of an insulator?Class 12Electric Charges and FieldsConductors and InsulatorsHard PhysicsWhich is the complete identity of electrostatic equilibrium for a conductor?Class 12Electric Charges and FieldsConductors and InsulatorsHard PhysicsIn which arrangement will a sensitive device be best protected from an external electrostatic field?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsHow can local positive and negative regions form on a conductor with zero net charge?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat mainly contributes to the attraction of small paper pieces by a charged comb?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat change occurs in molecules of an insulator placed in an external electric field?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy may a locally charged insulator not fully discharge instantly when only one point is earthed?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsThe advantage of a pointed lightning rod is most related to which effect?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy is it necessary for a lightning protection rod to be connected to earth?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat is the correct scientific basis of protection inside a car during lightning?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy can the effect of an external electrostatic field be reduced on a person inside a metal cage?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsIf the electric field inside a closed conductor is zero, what is the conclusion about electric-field energy inside?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhen does rearrangement of free charges in a conductor stop?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy is excess volume charge density zero inside a conductor and charge present on the surface in electrostatic equilibrium?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsThe electric field inside a conductor is zero. Which wrong conclusion should not be drawn from this?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat is the correct reason charge may not divide equally when two unequal conductors touch?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhat condition allows charge to divide equally when two identical metal spheres are brought into contact?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy is a metal object kept on an insulating stand to retain static charge for a longer time?Class 12Electric Charges and FieldsConductors and InsulatorsEasy