A capacitor is charged to store an energy U. The charging battery is disconnected. An identical capacitor is now connected to the first capacitor in parallel. What is the energy in each capacitor
Neha parveen , 6 Years ago
Grade 12
1 Answers
Khimraj
Last Activity: 6 Years ago
Let inItial voltage across capacitor is V. THen
½CV2 = U
and then final voltge across each capacitor is V1
Then
CV = CV1 + CV1
So V1 = V/2
Final energy in each capacitor = ½C(V/2)2 = ¼CV2.
Hope it clears. If you like answer then please approve it.
Provide a better Answer & Earn Cool Goodies
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free