1.

Two charged capacitors have their outer plates fixed and inner plates connected by a spring of force constant 'K'. The charge on each capacitor is q. find the extension in the spring at equilibrium

Answer»

`(Q^(2))/(2 A epsilon_(0) K)`
`(q^(2))/(4 A epsilon_(0)K)`
`(q^(2))/(A epsilon_(0) K)`
zero

Answer :A


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