In the given figure a capacitor of plate...

In the given figure a capacitor of plate area A is charged up to charge q . The mass of each plate is `m_2` The lower plate is rigidly fixed. Find the value of `m_1` so that the system remains in equilibrium -

`m_2+q^2/(epsilon_0Ag)`

`m_2`

`q^2/(2epsilon_0Ag)+m_2`

`2m_2`

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