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Class 12 · Physics
→A linear distribution has density +2 C/m over its first half and −2 C/m over its second half. The two halves have equal lengths. What is the total charge?
Class 12 · Physics
→If linear charge density changes from positive to negative, what is necessary when finding the total charge?
Class 12 · Physics
→In a non-uniform linear charge distribution, average density can give total charge, but why may it not give the complete electric field?
Class 12 · Physics
→Why is zero electric field at the centre not guaranteed for a non-uniformly charged ring?
Class 12 · Physics
→If one end of a uniformly charged rod is cut off, why can the field direction at the old perpendicular bisector change?
Class 12 · Physics
→On the perpendicular bisector of a uniformly charged rod, what is the direction of the total electric field and why?
Class 12 · Physics
→At the centre of a uniformly charged ring, the electric field is zero but the potential need not be zero. What is the best reason?
Class 12 · Physics
→A small part of a uniformly charged ring is removed. Which statement about the electric field at the centre is most accurate?
Class 12 · Physics
→Two solids have volume charge density ratio 3:4 and volume ratio 8:3. What is the ratio of their total charges?
Class 12 · Physics
→Two plates have surface charge density ratio 2:5 and area ratio 10:1. What is the ratio of their total charges?
Class 12 · Physics
→Two wires have a linear charge density ratio of 4:3 and a length ratio of 3:2. What is the ratio of their total charges?
Class 12 · Physics
→In a uniform volume charge distribution, if the volume density becomes five times and the volume becomes one-fifth, what happens to the total charge?
Class 12 · Physics
→In a uniform surface charge distribution, if the surface density becomes one-fourth and the area becomes eight times, what happens to the total charge?
Class 12 · Physics
→In a uniform linear charge distribution, if the linear density becomes three times and the length becomes half, what happens to the total charge?
Class 12 · Physics
→In a uniform volume charge distribution, the total charge is 72 coulomb and the volume is 9 cubic metre. If the total charge becomes half and the volume becomes one-third, what is the new volume charge density?
Class 12 · Physics
→In a uniform surface charge distribution, the total charge is 60 coulomb and the area is 20 square metre. If the area becomes 5 square metre while the total charge remains unchanged, what is the new surface charge density?
Class 12 · Physics
→In a uniform linear charge distribution, the total charge is 48 coulomb and the length is 12 metre. If the length becomes 4 metre while the total charge remains unchanged, what is the new linear charge density?
Class 12 · Physics
→What is the deeper purpose of studying continuous charge distribution?
Class 12 · Physics
→In a difficult problem involving continuous charge distribution, what is the most important first decision?
Class 12 · Physics
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