Q.

A number of capacitors each of capacitance 1μF and each one of which get punctured if a potential difference just exceeding 500 volt is applied, are provided. Then an arrangement suitable for giving a capacitor of 2μF across which 3000 volt may be applied requires at least :

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a

18 component capacitors

b

36 component capacitors

c

72 component capacitors

d

144 component capacitors

answer is C.

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Detailed Solution

16μF×n=2n = 12Total = 12 × 6 = 72
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A number of capacitors each of capacitance 1μF and each one of which get punctured if a potential difference just exceeding 500 volt is applied, are provided. Then an arrangement suitable for giving a capacitor of 2μF across which 3000 volt may be applied requires at least :