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In the above question, if battery is re...

In the above question, if battery is removed after charging the condenser & dielectric slab inteoduced, how are all the fice parameters affected ?

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When battery is removed, charge Q remains constant, capacity `C = KC_(0)` increases. Potential diff. `V = Q//C` decreases. Electric field `E = (V )/(d)` decreases. Energy stored `= (1)/(2) (Q^(2))/(C )` decreases.
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