📅 NSB 2011🎓 HS🔄 Round 10#️⃣ Q3🌟 Bonus✍️ Short Answer
The backup controls for a solar cell operate on a 4-volt lithium ion battery with resistance of 20 ohms and an initial capacity of 3000 milliampere hours. In watt hours, what is the electrical energy required to recharge the battery?
✔️Answer:12
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