If a dielectric slab between the parallel plates of a capacitor is replaced by a metal plate of same thickness t < d where d is the separation between the plates of the capacitor, how does its capacitance change?
Please find below the solution to the asked query:
Capacitance of the capacitor initially, when there is no metal plate is,
Now, if a metal plate of thickness t is introduced between the plates of the capacitor. Then the distance between the plates of a capacitor becomes (d-t) because, the dielectric constant for conductor is infinity. So, the capacitance becomes,
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