Q.

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

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a

C

b

(n+1) C

c

n C

d

(n - 1) C

answer is D.

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Detailed Solution

For n plates joined alternately, there will be (n - 1) capacitors connected in parallel Fig. Their
 

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equivalent capacitance will be Ceq=(n1)C.

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