Question: A power source for a portable electrical defibrillator contains a capacitor of capacitance 54 F. The potential difference across the plates of the capacitor is

A power source for a portable electrical defibrillator contains a capacitor of capacitance 54 F. The potential difference across the plates of the capacitor is raised to 4.010^3 V and a fraction of its stored energy is released in a 2.5 ms pulse. If the the average power of the pulse is 60 kW, what percentage of the stored energy is released in the pulse?

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