This article focuses on single-cell electrophysiology and introduces the fundamentals of electrophysiological investigation by describing the ionic basis of action potentials and the different ...

This equation can be used to calculate what the output might be from a particular transformer, or to work out how to design a transformer to make a particular potential difference change: ...

There is a current of 2.0 A in a component with a resistance of 40 Ω. Calculate the potential difference across the component.