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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।

PhysicsA body has a charge of positive twenty-three elementary charges. What is the correct microscopic meaning?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15EasyPhysicsWhy is charge quantization not clearly visible on a macroscopic object?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15EasyPhysicsA student says that a neutral body contains no charged particles. Why is this statement wrong?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15EasyPhysicsOne object has +26 elementary charges and another has −8 elementary charges. If they exchange charge only with each other, what total charge remains?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15EasyPhysicsAfter two identical conducting spheres are brought into contact, each has a charge of +9 elementary charges. What was the total charge before contact?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15EasyPhysicsIn a closed system, one part gains a charge of −14 elementary charges. According to charge conservation, what change must occur in the other part?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15MediumPhysicsIf the inducing rod is removed before the Earth connection during induction charging, why does charge usually not remain on the conductor?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15MediumPhysicsIn induction charging with a negative rod, the Earth connection is removed first and then the rod is removed. What remains on the conductor?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15MediumPhysicsDuring charging by induction with a positive rod, the Earth connection is removed first and then the rod is removed. What is the conductor’s final charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15MediumPhysicsA negatively charged rod is brought near a neutral conductor. What happens to the conductor’s total charge merely because the rod is brought near?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15MediumPhysicsA free body is said to have a charge equal to 11/3 times the elementary charge. Why is this value not allowed?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15EasyPhysicsA body has a charge equal to −19 times the elementary charge. What must be done to neutralize it?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15EasyPhysicsTwo identical conducting spheres carry positive seventeen elementary charges and negative five elementary charges. What charge will each have after touching and separation?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15HardPhysicsIn an isolated system, three bodies have charges positive seven elementary charges, negative eleven elementary charges, and positive two elementary charges. What will be the total charge after mutual contact?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 15HardPhysicsA statement says charge can never be created or destroyed but equal positive and negative charges can appear together. Which principle does this match?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsWhich option gives the most correct strategy for solving a charge conservation problem?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsWhich statement correctly gives the difference between an isolated system and an open system for charge conservation?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14HardPhysicsIf after rubbing two neutral objects one gets minus eight elementary charges why will the other get plus eight elementary charges?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsIn charging by friction one object gets plus six elementary charges. What charge should appear on the other object if both were initially neutral?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsIf plus two q and minus two q charges are produced together in a closed system what is the change in total charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14Medium

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