A 30-F capacitor is charged to an unknown potential V0 and then ...

[clippers!]

A 30-F capacitor is charged to an unknown potential V0 and then connected across an initially uncharged 10-F capacitor. If the final potential difference across the 10-F capacitor is 20 V, determine V0.
 a. 13 V
  b. 27 V
  c. 20 V
  d. 29 V
  e. 60 V

Question 2

A 30-F capacitor is charged to 80 V and then connected across an initially uncharged capacitor of unknown capacitance C. If the final potential difference across the 30-F capacitor is 20 V, determine C.
 a. 60 F
  b. 75 F
  c. 45 F
  d. 90 F
  e. 24 F

[mistyjohnson]

Answer to Question 1

b

Answer to Question 2

d

[clippers!]

Excellent

TYSM