PHYS345 Electricity and Electronics

Simplest Possible Circuit

Simplest possible circuit The circuit elements are specified: the power supply or battery provides a stated emf and is connected across a resistance R. The emf of the battery is applied directly across the resistor; i.e. the voltage provided by the battery is identical to the voltage difference between points a and b. Thus by applying Ohm's law to the single resistor, connected to a single emf:

Ohm's law for simplest circuit

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Last updated Sept. 2, 1998.
Copyright George Watson, Univ. of Delaware, 1998.