The electric potentials at two points $P$ and $Q$ are $10 \ V$ and $-4 \ V$ respectively. The work done in moving $100$ electrons from $P$ to $Q$ is:
- A$22.4 \times 10^{-16} \ J$
- B$2.24 \times 10^{-16} \ J$
- C$-2.24 \times 10^{-16} \ J$
- D$9.6 \times 10^{-17} \ J$
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