A capacitor of unknown capacitance C is charged to 100 V and then connected across an initially uncharged 60-mF capacitor. If the final potential difference across the 60-mF capacitor is 40 V, determine C
a. 49 mF
b. 32 mF
c. 40 mF
d. 90 mF
e. 16 mF
C
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