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Question: Answered & Verified by Expert
In the given figure a capacitor of plate area A is charged up to charge q. The mass of each plate is m2. The lower plate is rigidly fixed. Find the value of m1 so that the system remains in equilibrium -

PhysicsElectrostaticsNEET
Options:
  • A m2+q2ε0Ag
  • B m2
  • C q22ε0Ag+m2
  • D 2m2
Solution:
2389 Upvotes Verified Answer
The correct answer is: q22ε0Ag+m2
Now T=m2g+Felec 1

T=m1g .......2



m1g=m2g+q22Aε0

m1=m2+q22Aε0g

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