Question
Question: A condenser of capacitance 10 mF has been charged to 100 V. It is now connected to another uncharged...
A condenser of capacitance 10 mF has been charged to 100 V. It is now connected to another uncharged condenser in parallel. The common potential becomes 40 V. The capacitance of another condenser is –
A
15 mF
B
5 mF
C
10 mF
D
16 mF
Answer
15 mF
Explanation
Solution
C1 = 10mF C2 = ?
V1 = 100 V V2 = 0
Vcommon = 40 V
Vcommon = 