A Capacitor in an LC Oscillator Has a Maximum Potential $\mu$

question 75

Multiple Choice

A capacitor in an LC oscillator has a maximum potential difference of 15 V and a maximum energy of 360 $\mu$ J. At a certain instant the energy in the capacitor is 40 $\mu$ J. At that instant what is the emf induced in the inductor?

• A) zero
• B) 5 V
• C) 10 V
• D) 15 V
• E) 20 V

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