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Class 12 · Physics
→If the average density of a non-uniform distribution is zero, which conclusion is not always correct?
Class 12 · Physics
→If the total charge of a volume distribution is zero, must the electric field be zero everywhere?
Class 12 · Physics
→If 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 12 · Physics
→In a linear distribution, the total charge is positive, but some small parts may be negative. Which statement is correct?
Class 12 · Physics
→Two solids have volume charge-density ratio 7:3 and volume ratio 6:7. What is the ratio of their total charges?
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 is removed from one end of a uniform rod, why can the field direction at the old perpendicular bisector change?
Class 12 · Physics
→What is the direction of the total electric field on the perpendicular bisector of a uniformly charged straight rod?
Class 12 · Physics
→At a point away from the centre on the axis of a uniform ring which field components cancel?
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
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