Physics, 18.02.2020 20:22 uticabadgirl
The energy of a certain charged capacitor is 7 J. What is the new energy stored in that capacitor if its charge is decreased to 1 / 4 of its original value (imagine allowing some of the charge to move through a resistor)? Remember that the capacitance, C , that relates Q and V is unchanged.
Enew=?
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