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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।

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 PhysicsWhy does a metal rod held by hand fail to retain static charge when rubbed, while a plastic rod can retain it?Class 12Electric Charges and FieldsConductors and InsulatorsEasy PhysicsTreating an insulator as equipotential like a conductor is based on which wrong assumption?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsIf charge is localized on an insulator, what type of electric-field distribution is likely near it?Class 12Electric Charges and FieldsConductors and InsulatorsEasy PhysicsA rubbed insulator does not spread charge over its whole surface. What is the deeper reason?Class 12Electric Charges and FieldsConductors and InsulatorsEasy PhysicsHow can induction in a conductor and polarisation in an insulator be distinguished at the microscopic level?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy can attraction occur in an insulator due to polarisation even if its net charge remains zero?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsA conductor is earthed. What does it mean that its potential becomes equal to Earth’s potential?Class 12Electric Charges and FieldsConductors and InsulatorsEasy PhysicsWhy can electrons go from an earthed conductor to earth near a negatively charged rod?Class 12Electric Charges and FieldsConductors and InsulatorsMedium PhysicsWhy can electrons move from Earth to an earthed conductor near a positively charged rod?Class 12Electric Charges and FieldsConductors and InsulatorsMedium