A capacitor is charged through a potential difference of 200 V, when 0.1 C charge is stored in it. The amount of energy released by it, when it is discharged is
  • a)
    5 J
  • b)
    10 J
  • c)
    20 J
  • d)
    2.5 J
Correct answer is option 'B'. Can you explain this answer?

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Answers

Here, V = 200V, q = 0.1C
Energy stored,

When the capacitor is discharged, it releases the same amount of energy i.e., 10J

Here, V = 200V, q = 0.1CEnergy stored,When the capacitor is discharged, it releases the same amount of energy i.e., 10J
Here, V = 200V, q = 0.1CEnergy stored,When the capacitor is discharged, it releases the same amount of energy i.e., 10J