Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
A 10mF capacitor has been charged to a potential of 100 V. Suddenly if it explodes, the energy given out is
PhysicsCapacitanceCOMEDKCOMEDK 2014
Options:
  • A 50 J
  • B 105 J
  • C 50 mJ
  • D 103 J
Solution:
1291 Upvotes Verified Answer
The correct answer is: 50 J
Given, capacitance, C=10mF=10−2 F
Potential, V=100 V
When capacitor explodes, then its whole stored potential energy is given out in the form of heat and lightning.
∴Eout =12CV2=12×10−2×(100)2=50 J

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play