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Two identical capacitors store different amounts of energy: capacitor A stores 2.1x10^-3 J, and capacitor B...

Two identical capacitors store different amounts of energy: capacitor A stores 2.1x10^-3 J, and capacitor B stores 2.8x10^-4 J. The voltage across the plates of capacitor B is 13 V. Find the voltage across the plates of capacitor A.

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2. 2. 4 13 2.8

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