\textbf{182.} A capacitor with capacitance $12\,\mu\text{F}$ and electric potential difference between its two plates is $V_1$. If $-6\,\mu\text{C}$ of charge is transferred from the negative plate to the positive plate, the energy stored in it decreases by $28.5\,\mu\text{J}$. $V_1$ is how many volts?
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(1) $5$ \qquad (2) $10$ \qquad (3) $15$ \qquad (4) $20$
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