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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 the uniform linear charge density is −3 C/m and the length is 15 m, what is the total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 6Easy PhysicsIf the volume is made twenty-seven times while the total charge remains unchanged in a uniform volume distribution, what happens to the volume charge density?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 6Easy PhysicsIf the area is made nine times while the total charge remains unchanged in a uniform surface distribution, what happens to the surface charge density?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 6Easy PhysicsIf average density of a linear distribution is zero but local density is not zero everywhere which statement is correct?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 6Hard PhysicsIn a non-uniform linear distribution density first becomes positive then zero then negative. What is the most important caution while finding total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 6Hard PhysicsTwo wires have linear density ratio seven to four and length ratio eight to twenty one. What is the ratio of their total charges?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 6Medium PhysicsIn a uniform volume distribution total charge is two hundred forty coulomb and volume is thirty cubic metre. If charge becomes three fourths and volume becomes half what is the new volume density?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 6Medium PhysicsIn a uniform surface distribution total charge is one hundred eight coulomb and area is nine square metre. If charge becomes half and area becomes three times what is the new surface density?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 6Medium PhysicsWhat is the deepest meaning of integration in continuous charge distribution?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Hard PhysicsWhich sequence is most suitable to start a correct solution in continuous charge distribution?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Hard PhysicsIn a hard problem what is the most important check before applying symmetry?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Hard PhysicsIf a charge distribution is specified per metre, how is the charge of a small element obtained?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Medium PhysicsIf a charge distribution is specified per cubic metre, how is the charge of a small element obtained?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Medium PhysicsIf a charge distribution is specified per square metre, which measure should multiply the density to obtain the charge of a small element?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Medium PhysicsAt the centre of a uniformly charged ring, the electric potential may be nonzero because potential is what type of quantity?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Medium PhysicsAt the centre of a uniformly charged ring, each small element produces a nonzero field, yet the total electric field is zero. Why?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Medium PhysicsIf electric-field contributions from small elements of a continuous distribution point in the same direction, which statement is correct?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Medium PhysicsIf electric-field contributions from small elements of a continuous distribution have equal magnitudes but opposite directions, what is their total contribution?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Medium PhysicsA wire has total charge −60 C and length 12 m. What is its uniform linear charge density?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Easy PhysicsIn a uniform surface charge distribution, the surface charge density is −7 C/m² and the area is 2 m². What is the total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionLevel 5Easy