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

[xroflmao]

A 30-mF capacitor is charged to an unknown potential V0 and then connected across an initially uncharged 10-mF capacitor. If the final potential difference across the 10-mF 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-mF 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-mF capacitor is 20 V, determine C.
 a. 60 mF
  b. 75 mF
  c. 45 mF
  d. 90 mF
  e. 24 mF

[carolinefletcherr]

Answer to Question 1

B

Answer to Question 2

D

[xroflmao]

Excellent

[nanny]

Gracias!