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Class 12 Physics Practice Test: Alternating Current - LC Oscillations
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Class 12 Physics Practice Test: Alternating Current - LC Oscillations
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5 Questions

1. Find the true statement.
2. A capacitor of capacitance 5μF is charged to a potential difference of 20V. After that, it is connected across an inductor of inductance 0.5 mH. What is the current flowing in the circuit at a time when the potential difference across the capacitor is 10 V?
3. LC oscillations only continues at a definite frequency.
4. What is the most common application of LC oscillators?
5. LED lights of chargers glow even after it is switched off. Which of the following causes this situation?

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