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How many 6muF,200V condensers are needed...

How many `6muF,200V` condensers are needed to make a condenser of `18muF,600V`.

A

3

B

27

C

9

D

18

Text Solution

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The correct Answer is:
B

`2muFxx9`i.e.,`3xx9` capacitors of `muF` each are needed. 3 in seris gives `2muF` and total potential difference 600 volts . Therefore 27 capacitors are needed.
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