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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।

PhysicsTwo identical spheres have charges plus q and zero. They are touched and separated. Then the first sphere is touched with a third identical neutral sphere. What is the final charge of the first sphere?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsTwo unequal conducting spheres are brought into contact. Even if charge does not divide equally after contact, which statement is certainly correct?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA particle has charge plus 6.4 × 10^-19 coulomb. If it gains four electrons, what will be its final charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsAn object has charge minus 3.2 × 10^-19 coulomb. If it loses two electrons, what will be its new charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsIf one part of an isolated system loses plus two q charge, what change occurs in the charge of the remaining part?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsIn a closed system, the total charge is plus twelve coulombs. If one subsystem has total charge minus five coulombs, what is the charge of the rest of the system?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsAn object has minus five elementary charges. It loses two electrons. What is its new charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsAn object has plus two elementary charges. It receives three electrons from another object. What is its new charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsA conductor has charge minus nine q. A charge minus four q leaves it. What is the new charge of the conductor?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA conductor has charge plus three q. A charge minus eight q enters it from outside. What is the final charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsDuring charge redistribution in a metal, which particles mainly move?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsA metal conductor has positive charge. What is the best microscopic reason for it?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsIn which situation can the charge of one conductor change while conservation of total charge still remains true?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA negatively charged conductor becomes neutral when connected to earth. What is the direction of electron motion during this process?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsA positively charged conductor becomes neutral when connected to earth. How is charge conservation maintained in the larger system?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsIn induction, if the positively charged rod is removed first and then the earth connection is removed, why may no permanent charge remain on the conductor?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14HardPhysicsIf, in induction, only a charged rod is brought near a conductor without earthing it, what remains the net charge of the conductor?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsA negatively charged rod is brought near a neutral conductor and the conductor is connected to earth. After the correct sequence, what charge will remain on the conductor?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA positively charged rod is brought near a neutral conductor, and the conductor is connected to earth. After removing the earth connection first and then removing the rod, what remains on the conductor?Class 12Electric Charges and FieldsConductors and InsulatorsLevel 14MediumPhysicsAn initial particle has charge -2e. It breaks into two particles. One particle has +4e. What is the charge of the other particle?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14Medium

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