Two capacitors C1 ( 12 uf ) and C2 (24 uf) are in series connected across a 360 volts d.c. supply. Calculate the charges on C1 and C2 respectively.
Correct answer: A. 2880 x 10^-6 C , 2880 x 10^-6
- A. 2880 x 10^-6 C , 2880 x 10^-6
- B. 4770 x 10^-6 C, 4770 x 10^-6
- C. 5810 x 10^-6 , 6610 x 10^-6
- D. 7170 x 10^-6 , 8140 x 10^-6
- E. 9090 x 10^-6 , 8880 x 10^-6
Explanation
Charge throughout the circuit is the same so either the answer is A or B, as only these options have the same charge throughout.Q=CVCapacitance in series can be calculated as:1/C=1/C1 + 1/C21/C=1/12 + 1/241/C=2+1/241/C=⅛C=8 microfarads.->Q=CVQ=(8x10^-6)(360) Q=2880 x 10-6 C
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