Electrostatics Question 270

Question: Two condensers of capacities 2C and C are joined in parallel and charged upto potential V. The battery is removed and the condenser of capacity C is filled completely with a medium of dielectric constant K. The p.d. across the capacitors will now be [IIT 1988]

Options:

A) x2

B) x

C) x1

D) x2

Show Answer

Answer:

Correct Answer: A

Solution:

U=12CV2=12(ε0Ax)V2 dUdt=12ε0AV2(1x2dxdt)

therefore dUdtx2



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक