Asked by Anonymous
A capacitor has stored energy U. If the voltage and plate separation are both doubled, the new stored energy is ____.
Answers
Answered by
Elena
C=εε₀A/d
Energy =CU²/2 = εε₀A U² /2d
New energy = εε₀A (2U)² /2•2d = εε₀A U² /d= Doubled iniutial energy
Energy =CU²/2 = εε₀A U² /2d
New energy = εε₀A (2U)² /2•2d = εε₀A U² /d= Doubled iniutial energy
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