Current is a measure of how much electric charge flows through a circuit. The more charge that flows, the bigger the current. Current is measured in amperes. The symbol for ampere is A. For example, ...

Potential difference in series circuits Try the experiment online Resistors in series Test your knowledge Resistance ® close resistance (R)How difficult it is for current to flow. increases when ...

THIS communication is concerned with the measurement of the transmural potential difference, the short-circuit current, and the net sodium flux in isolated segments of rabbit ileum using a method ...