If 3 capacitors of values 1, 2 and 3μF are available. The maximum and minimum values of capacitance one can obtain by different combinations of the three capacitors together are respectively:
A
6μF,611μF
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B
6μF116μF
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C
3μF,1μF
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D
4μF,2μF
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Solution
The correct option is A6μF,611μF minimum capacity is obtained when they are in series 1Ceff=11+12+13=116 ∴Ceff=611μF maximum capacity is obtained when they are in parallel Ceff=1+2+3 Ceff=6μF