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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 similarly charge 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 positive terminal of one is connected to the negative terminal of the other. The final energy of the configuration is
  • a)
    Zero
  • b)
    (3/2) CV2
  • c)
    (25/6) CV2
  • d)
    (9/2) CV2
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A parallel plate capacitor of capacitance C is connected to a battery ...
From the figure.
The net charge shared between the two capacitors
Q' = Q2 – Q2 = 4CV – CV = 3CV

The two capacitors will have some potential, say V'.
The net capacitance of the parallel combination of the two capacitors C' = C1 + C2 = C + 2C+ 3C
The potential of the capacitors 
The electrostatic energy of the capacitors 
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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 ofcapacitance 2C is similarly charge 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 positive terminal of one is connected to the negative terminal of the other. The final energy of the configuration isa)Zerob)(3/2) CV2c)(25/6) CV2d)(9/2) CV2Correct answer is option 'B'. Can you explain this answer?
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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 ofcapacitance 2C is similarly charge 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 positive terminal of one is connected to the negative terminal of the other. The final energy of the configuration isa)Zerob)(3/2) CV2c)(25/6) CV2d)(9/2) CV2Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor ofcapacitance 2C is similarly charge 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 positive terminal of one is connected to the negative terminal of the other. The final energy of the configuration isa)Zerob)(3/2) CV2c)(25/6) CV2d)(9/2) CV2Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor ofcapacitance 2C is similarly charge 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 positive terminal of one is connected to the negative terminal of the other. The final energy of the configuration isa)Zerob)(3/2) CV2c)(25/6) CV2d)(9/2) CV2Correct answer is option 'B'. Can you explain this answer?.
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