Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Physics
→In a non-uniform volume distribution, the charge density depends on distance from the centre. Which idea is most appropriate for finding the total charge?
Class 12 · Physics
→Two surfaces have surface charge-density ratio 3:4 and area ratio 8:3. What is the ratio of their total charges?
Class 12 · Physics
→If two wires have linear charge-density ratio 5:2 and length ratio 2:5, what is the ratio of their total charges?
Class 12 · Physics
→If a small part of a uniform ring is removed, which statement about the field at the centre is most appropriate?
Class 12 · Physics
→At the centre of a uniform ring electric field is zero but potential need not be zero. What is the correct reason?
Class 12 · Physics
→If charge is uniformly distributed on a ring, why is the electric field zero at the centre?
Class 12 · Physics
→In a uniform volume distribution volume density is -4 coulomb per cubic metre and volume is 6 cubic metre. What is the total charge?
Class 12 · Physics
→In 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 12 · Physics
→In 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 12 · Physics
→In a linear distribution density increases uniformly with distance. Which method is most appropriate to find total charge?
Class 12 · Physics
→What is the deepest meaning of integration in continuous charge distribution?
Class 12 · Physics
→Which sequence is most suitable to start a correct solution in continuous charge distribution?
Class 12 · Physics
→In a hard problem what is the most important check before applying symmetry?
Class 12 · Physics
→If the charge density of a distribution is given per metre, how is the charge of a small element obtained?
Class 12 · Physics
→If the charge density of a distribution is given per cubic metre, how is the charge of a small element obtained?
Class 12 · Physics
→If the charge density of a distribution is given per square metre, by which measure should it be multiplied to obtain the charge of a small element?
Class 12 · Physics
→At the centre of a uniformly charged ring, the potential may be nonzero because potential is what type of quantity?
Class 12 · Physics
→At the centre of a uniformly charged ring, the field of each small element is not individually zero, yet the total field is zero. Why?
Class 12 · Physics
→If fields due to small elements are in the same direction, which statement about the total field is correct?
Class 12 · Physics
→