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Question: Answered & Verified by Expert
If the slab is brought inside the parallel plate capacitor with a speed v. Then the variation of dcdt with respect to v is dcdt=Rate change of capacitance -

PhysicsElectrostaticsJEE Main
Options:
  • A
  • B
  • C
  • D
Solution:
2960 Upvotes Verified Answer
The correct answer is:



Ceq=C1+C2=ε0bxKd+ε0lxbd

=ε0bdlb+xK-1

dcdt=ε0bdK-1 dxdt=ε0bdK-1V

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