Question

Ten capacitors are joined in parallel and charged with a battery up to a potential V. They are then disconnected from battery and joined again in series then the potential of this combination will be

• A. V
• B. 10 V
• C. 5 V
• D. 2V

Answer 1

Answer: (B)

10 V

Answer 2

By using the formula $V' = nV$ ⇒ $V' = 10V.$