Q.
8 identical capacitors each of capacitance 2µF are to be combined to obtain an equivalent capacitor of capacitance 1µF . Then which of the following combinations is possible?
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a
All capacitors are in series combination
b
All capacitors are in parallel combination
c
4 are connected in parallel combination and two such combinations are connected in series.
d
2 are connected in parallel combination and four such combinations are connected in series.
answer is D.
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Detailed Solution
1CAb=12C+12C+12C+12C⇒CAB=2C4=C2=2μF2=1μF
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