Electrostatics Question 615
Question: A capacitor of 10mF charged up to 250 volts is connected in parallel with another capacitor of 5mF charged up to 100 volts. The common potential is [BHU 2002]
Options:
A) 500 V
B) 400 V
C) 300 V
D) 200 V
Show Answer
Answer:
Correct Answer: D
Solution:
$ V=\frac{C _{1}V _{1}+C _{2}V _{2}}{C _{1}+C _{2}}=\frac{10\times 250+5\times 100}{10+5}=200volt $
