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Electrostatics

The potential difference between A and B is 18V and charge on 2 uF capacitor is 24uC.The value of C is:

Question image for The potential difference between A and B is 18V an

Atreyee Biswas

8 Years agoGrade

1 Answer

Khimraj

Approved Tutor Answer8 Years ago

The volage across 2 $\mu$ F capacitor = 24 $\mu$ C/2 $\mu$ F = 12 V.

So voltage across 6 $\mu$ F capacitor = 18 – 12 = 6V

So charge on 6 $\mu$ F capacitor = 6*6 = 36 $\mu$ C

So charge on C capacitor = 36 – 24 = 12 $\mu$ C

So value of C = 12 $\mu$ C/12V = 1 $\mu$ F.

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