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Questions  

Three capacitors each of value 3 μF are available. The minimum and maximum capacitance which may be obtained by use of these are :

a
1 μF and 9 μF
b
3 μF and 9 μF
c
3 μF and 6 μF
d
1 μF and 6 μF

detailed solution

Correct option is A

1C1+1C2+1C3-1≤Ceq≤C1+C2+C313+13+13-1≤Ceq≤ 3+3+3⇒1 μF≤Ceq≤9 μF

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