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AIPMT> A capacitor of 1microF can withstand a ma...

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A capacitor of 1microF can withstand a maximum voltage of 6KV while another of 2 micro F can withstand max voltage of 4KV.If two are connected in series they withstand maximum voltage of what.?

Parul Rajput , 7 Years ago

Grade 12th pass

1 Answers

Eshan

Last Activity: 6 Years ago

Dear student,

Maximum charge that the first capacitor can store= $CV=1\mu F\times 6kV=6mC$
Maximum charge that the second capcitor can store= $2\mu F\times 4kV=8mC$

Hence charge more than $6mC$ cannot be flown through the system.
Equivalent capapcitance of the system= $\dfrac{2}{3}\mu F$

Hence the breakdown voltage of the system= $\dfrac{6mC}{\dfrac{2}{3}\mu F}=9kV$

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