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Class 12 Physics Practice Test: Energy Stored in a Capacitor
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Class 12 Physics Practice Test: Energy Stored in a Capacitor
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7 Questions

1. What is the maximum energy that can be stored in a capacitor?
2. Initially the potential difference of a 8 μF capacitor is 30 V. Then it is changed to 40 V. What is the increase in energy?
3. Pick out the expression for energy stored in a capacitor from the following.
4. A 6 μF capacitor is charged by a 100V supply. It is then disconnected from the supply and μ is connected to another uncharged 3μF capacitor. How much electrostatic energy of the first capacitor is dissipated in the form of heat and electromagnetic radiation?
5. What is the maximum energy that can be stored in a capacitor?
6. Initially the potential difference of a 8 μF capacitor is 30 V. Then it is changed to 40 V. What is the increase in energy?
7. Pick out the expression for energy stored in a capacitor from the following.

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