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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।

PhysicsIf the total charge of a volume distribution is zero, must the electric field be zero everywhere?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf half the area of a surface has positive charge density and the other half has equal-magnitude negative charge density, what is the total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy PhysicsIn a linear distribution, the total charge is positive, but some small parts may be negative. Which statement is correct?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsTwo solids have volume charge-density ratio 7:3 and volume ratio 6:7. What is the ratio of their total charges?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsTwo surfaces have surface charge-density ratio 3:4 and area ratio 8:3. What is the ratio of their total charges?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf two wires have linear charge-density ratio 5:2 and length ratio 2:5, what is the ratio of their total charges?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf a small part is removed from one end of a uniform rod, why can the field direction at the old perpendicular bisector change?Class 12Electric Charges and FieldsContinuous Charge DistributionHard PhysicsWhat is the direction of the total electric field on the perpendicular bisector of a uniformly charged straight rod?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsAt a point away from the centre on the axis of a uniform ring which field components cancel?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf a small part of a uniform ring is removed, which statement about the field at the centre is most appropriate?Class 12Electric Charges and FieldsContinuous Charge DistributionHard PhysicsAt the centre of a uniform ring electric field is zero but potential need not be zero. What is the correct reason?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf charge is uniformly distributed on a ring, why is the electric field zero at the centre?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIn a uniform volume distribution volume density is -4 coulomb per cubic metre and volume is 6 cubic metre. What is the total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionHard PhysicsIn a uniform surface distribution total charge is 72 coulomb and area is 8 square metre. If area doubles and total charge becomes four times, what happens to surface density?Class 12Electric Charges and FieldsContinuous Charge DistributionHard PhysicsIn a uniform linear distribution total charge is 54 coulomb and length is 9 metre. If length becomes three times and total charge becomes half, what is the new linear density?Class 12Electric Charges and FieldsContinuous Charge DistributionHard PhysicsIn a linear distribution density increases uniformly with distance. Which method is most appropriate to find total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionHard PhysicsWhat is the deepest meaning of integration in continuous charge distribution?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsWhich sequence is most suitable to start a correct solution in continuous charge distribution?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIn a hard problem what is the most important check before applying symmetry?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf the charge density of a distribution is given per metre, how is the charge of a small element obtained?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy