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JEE Main 2005 (AIEEE) · Combination of Capacitors

Combination of Capacitors question from JEE Main 2005 (AIEEE)

Q91JEE Main 2005 · AIEEEEasy

Combination of Capacitors

A parallel plate capacitor is made by stacking $n$ equally spaced plates connected alternatively. If the capacitance between any two adjacent plates is $C$ then the resultant capacitance is

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Answer: (b)

With $n$ plates connected alternately, there are $(n-1)$ capacitors formed between adjacent plates.
They are all in parallel, so $C_{eq} = (n-1)C$ .
So the answer is (b) $(n-1)C$ .

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