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A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor of capacitance 2C is ismilarly charged to a potential difference 2V. The charging battery is now disconnected and the capacitors are connected in parallel to each other in such a way that the poistive terminal of one is connected to the negative terminal of the other. The final energy of the configuration is
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Answer: BSolution: C and 2C are in parallel to each other.
Resultant capacity=(2C+C)C_R=3C=2V-VV_R=V:.=1/2C_R(V_R)^2=1/2(3C)(V)^2=3/2CV^2
Resultant capacity=(2C+C)C_R=3C=2V-VV_R=V:.=1/2C_R(V_R)^2=1/2(3C)(V)^2=3/2CV^2
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| Question Text | A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor of capacitance 2C is ismilarly charged to a potential difference 2V. The charging battery is now disconnected and the capacitors are connected in parallel to each other in such a way that the poistive terminal of one is connected to the negative terminal of the other. The final energy of the configuration is |
| Answer Type | Text solution:1 |
| Upvotes | 150 |
