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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 magnitude of surface charge density is high but the area is very small, which statement about total charge is most suitable?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsFor the electric field due to a small positive charge element, what direction is taken at the observation point?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsFor the electric field due to a small negative charge element, what direction is taken at the observation point?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIn a uniform linear charge distribution, the total charge is negative and the length is positive. What is the sign of the linear charge density?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy PhysicsIn a uniform surface charge distribution, the surface charge density is negative and the area is positive. What is the sign of the total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy PhysicsIf the total charge of a distribution is positive, must every small charge element be positive?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf the total charge of a volume distribution is zero, is the electric field necessarily zero everywhere?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsHalf of a surface has positive surface charge density and the other half has an equal-magnitude negative surface charge density. What is the total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf the average density of a linear charge distribution is zero, which conclusion is not always correct?Class 12Electric Charges and FieldsContinuous Charge DistributionHard PhysicsIn a non-uniform linear charge distribution, the local density is zero at one location but nonzero elsewhere. What can be said about the total charge?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf the observation point is very near a long charged wire, why does the point-charge approximation become weak?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsWhen a point on the perpendicular bisector of a uniformly charged straight rod is taken very far from the rod, what can the rod be approximated as?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsAt a point on the axis of a uniformly charged ring, away from its centre, transverse field components cancel. Which component remains?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsIf only the upper half of a uniformly charged ring is retained, why is the electric field at the centre not zero as it is for a complete ring?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsThe electric field at the centre of a uniformly charged ring is zero. If the ring's total charge is doubled while the distribution remains uniform, what is the electric field at the centre?Class 12Electric Charges and FieldsContinuous Charge DistributionMedium PhysicsA solid with uniform volume charge density is divided into three parts of unequal volumes. Which part has the greater volume charge density?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy PhysicsA uniformly surface-charged plate is divided into two parts with unequal areas. Which part has the greater surface charge density?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy PhysicsA wire with uniform linear charge density is cut into two parts of unequal lengths. Which part has the greater linear charge density?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy PhysicsIn a uniform volume distribution, a part has a volume equal to seven-tenths of the total volume. What fraction of the total charge is contained in that part?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy PhysicsIn a uniform surface distribution, a part has area equal to three-eighths of the total area. What fraction of the total charge is on that part?Class 12Electric Charges and FieldsContinuous Charge DistributionEasy