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A metal foll of negative thickness is i...

A metal foll of negative thickness is intorduced between two plates of a capacitor at the center. What will be the new capacitance of the capacitance ?

Text Solution

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On intorducing a thin metal foil d is hallved, Arrangment is equivalent to two conderers each of capacity 2C in series.
`:. (1)/(C_(s)) = (1)/(2C) + (1)/(2C) = (1)/(C ) :. C_(s) = C`
Capacity is uncharged.
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