The work done in placing a charge of $8 \times 10^{-18} \ C$ on a capacitor of $800 \ \mu F$ is:
- A$16 \times 10^{-32} \ J$
- B$3.1 \times 10^{-26} \ J$
- C$32 \times 10^{-32} \ J$
- D$4 \times 10^{-32} \ J$
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