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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।

PhysicsBefore a process, the total charge was zero. Later, three particles have charges +2e, +3e, and an unknown charge. What is the unknown charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA system has total charge -5q. If one part has +7q, what is the charge of the remaining system?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsIn a closed system, the charge of one part changes from -2q to +4q. What change must occur in the charge of the other part?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsThe total charge of an isolated system is +2q. In the final state, three parts have charges +5q, -6q, and an unknown charge. What is the unknown charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsIn which option is the rule of charge quantization violated?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsWhich of the following charges is possible on a free object?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA particle has charge -1.12 × 10^-18 coulomb. What is the number of excess electrons?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsAn object has charge +9.6 × 10^-19 coulomb. How many electrons has it lost?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsTwo drops have +5 and −9 elementary charges. They combine into one drop and then split into two drops with equal charges. What is the charge on each final drop?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA charged drop has −13 elementary charges. It splits into three drops, two of which have −4 and +2 elementary charges respectively. What is the charge on the third drop?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA drop has +11 elementary charges. It breaks into two drops. One drop has +4 elementary charges. What is the charge on the other drop?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsA particle has +3 elementary charges. It gains eight electrons. What is its final charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA particle initially has charge −7 elementary charges. It loses five electrons. What will be its final charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsAn object loses six electrons and then gains ten electrons. Its final charge equals how many elementary charges?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA sphere has charge +20 C. It touches three identical neutral spheres one by one. What charge remains on the original sphere at the end?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsA conducting sphere has charge −16 C. It is touched successively with two identical neutral spheres. What is the final charge on the original sphere?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14MediumPhysicsFour identical conducting spheres carry charges +8 C, 0 C, −4 C, and +12 C. If all are brought into contact and separated, what charge will each have?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsTwo identical conducting spheres have charges +14 C and −6 C. After touching and separating, what charge will each sphere have?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsThree objects have charges of minus eight coulombs, plus three coulombs, and plus two coulombs, respectively. What is the total charge of the isolated system?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14EasyPhysicsIn an isolated system, two bodies initially have charges of plus seven coulombs and minus two coulombs. After redistribution of charge, what will be the total charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 14Easy

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