Search questions
Choose which content to search, then combine terms with AND or OR.
Class 12 · Physics · Easy
→In 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 12 · Physics · Easy
→In a uniform linear distribution, a part has length equal to two-fifths of the total length. What fraction of the total charge is on that part?
Class 12 · Physics · Medium
→Two surfaces have the same total charge. The area of the first surface is four times that of the second. Assuming uniform distribution, how does the surface density of the first compare with that of the second?
Class 12 · Physics · Medium
→In two uniformly charged wires, the first has three times the linear density of the second and half its length. How does the total charge of the first wire compare with that of the second?
Class 12 · Physics · Medium
→In a uniform volume distribution, volume density is 6 C/m³ and volume is 10 m³. If density becomes half and volume becomes three times, what is the total charge?
Class 12 · Physics · Medium
→In a uniform surface distribution, total charge is 84 C and area is 12 m². If total charge doubles and area becomes seven times, what is the new surface density?
Class 12 · Physics · Medium
→In a uniform linear charge distribution, total charge is 90 C and length is 15 m. If total charge becomes one third and length becomes one fifth, what is the new linear density?
Class 12 · Physics · Medium
→When is integration mainly needed in a continuous charge distribution?
Class 12 · Physics · Hard
→For difficult problems, which ordered identification is most useful to begin solving a continuous charge distribution correctly?
Class 12 · Physics · Medium
→If total charge of a distribution is positive, must the charge of every small element be positive?
Class 12 · Physics · Hard
→If the total charge of a system is zero, is the electric field necessarily zero everywhere?
Class 12 · Physics · Hard
→If the sign of charge density changes over a surface, what must be considered when finding the total charge and electric field?
Class 12 · Physics · Medium
→What is the main problem caused by choosing the wrong unit for density in a continuous charge distribution?
Class 12 · Physics · Medium
→If two equal small elements in a linear charge distribution carry unequal charges, which conclusion is appropriate?
Class 12 · Physics · Medium
→Two equal-length small elements are chosen at equal distances from the centre of a uniformly charged rod. How do their charges compare?
Class 12 · Physics · Hard
→What is the main reason that the electric field at the centre of a uniformly charged semicircular arc is not zero?
Class 12 · Physics · Hard
→Why is the electric field at the centre of a uniformly charged arc generally not zero, unlike the field at the centre of a complete uniformly charged ring?
Class 12 · Physics · Medium
→Two solids have the same total charge, but one has a smaller volume. Assuming uniform distribution, what is the volume charge density of the smaller solid?
Class 12 · Physics · Medium
→Two wires carry the same total charge, but one wire is longer. Assuming uniform distribution, how does the linear charge density of the longer wire compare?
Class 12 · Physics · Medium
→