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Physics, 10.12.2021 19:30 laurelbrasi
Your car battery: If you have every replaced the battery for your car, you know the battery is very heavy. Why is that? It’s usually lead-acid battery and metal lead is very heavy (high density). Try to search the nominal voltage of lead acid. Is it 12 Volts? If it is not, how much is it? Why is it not the same as the voltage of a car battery?
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