emf and Current

This lesson will explain how to define emf and current. This lesson uses a battery as an example to explain the the amount of energy and the amount of charge and how they relate to form... This lesson will explain how to define emf and current. This lesson uses a battery as an example to explain the the amount of energy and the amount of charge and how they relate to form the formula for voltage or the potential difference. A diagram is used to better understand this concept.
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