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Why do we use so many units for energy?

http://imgur.com/a/4L2d5

by IvanK_net • 9 years ago

3 3 9 years ago

IM

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3

gus_massa• 9 years ago

You forgot to add the heat units, like BTU and calories, and the units for food like "kalories", and the units for air conditioners, like "frigorie".

IvanK_net• 9 years ago

You are right, it is even more complicated, than the picture says.

al2o3cr• 9 years ago

Short short answer: because those voltages are "nominal", not what's really observed in-circuit. The available output charge (ampere*time -> charge) is much more controllable during manufacture, as it's directly related to the quantity of available reactants within the battery.

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