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An ideal capacitor of capacitance 0.2 µF is charged to a potential difference of 10 V. The charging battery is then disconnected. The capacitor is then connected to an ideal inductor of self-inductance 0.5 mH. The current at a time when the potential difference across the capacitor is 5 V, is:  
  • a)
    0.34 A
  • b)
    0.25 A
  • c)
    0.15 A
  • d)
    0.17 A
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
An ideal capacitor of capacitance 0.2 µF is charged to a potenti...
Qo = 0.2 × 10 µC = 2µC

Vo = 10V
Ei of capacitor = 1/2 × 0.2 µf × (10v)2
= 10µJ
= Ef of capacitor = 1/2 × 0.2µf × (5v)2
= 2.5 µj
⇒ Einductor  = 7.5 µJ = 1/2 Li2
⇒ 7.5 × 10−6 = 1/2 × 0.5 × 10−3 × i2
⇒ 30 × 10−3 = i2
⇒ i = √3/10 = 0.17 A
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An ideal capacitor of capacitance 0.2 µF is charged to a potential difference of 10 V. The charging battery is then disconnected. The capacitor is then connected to an ideal inductor of self-inductance 0.5 mH. The current at a time when the potential difference across the capacitor is 5 V, is: a)0.34 Ab)0.25 Ac)0.15 Ad)0.17 ACorrect answer is option 'D'. Can you explain this answer?
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An ideal capacitor of capacitance 0.2 µF is charged to a potential difference of 10 V. The charging battery is then disconnected. The capacitor is then connected to an ideal inductor of self-inductance 0.5 mH. The current at a time when the potential difference across the capacitor is 5 V, is: a)0.34 Ab)0.25 Ac)0.15 Ad)0.17 ACorrect answer is option 'D'. 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 An ideal capacitor of capacitance 0.2 µF is charged to a potential difference of 10 V. The charging battery is then disconnected. The capacitor is then connected to an ideal inductor of self-inductance 0.5 mH. The current at a time when the potential difference across the capacitor is 5 V, is: a)0.34 Ab)0.25 Ac)0.15 Ad)0.17 ACorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for An ideal capacitor of capacitance 0.2 µF is charged to a potential difference of 10 V. The charging battery is then disconnected. The capacitor is then connected to an ideal inductor of self-inductance 0.5 mH. The current at a time when the potential difference across the capacitor is 5 V, is: a)0.34 Ab)0.25 Ac)0.15 Ad)0.17 ACorrect answer is option 'D'. Can you explain this answer?.
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