Ohms Law Posted on February 26, 2017August 7, 2017 by Brandy McNeil A. When Volts and OHMS are known: Example: Find the current of a 120 volt circuit with a resistance of 60 OHMS. B. When Watts and Volts are known: Example: A 120 Volt Circuit has a 1440 Watt Load. Determine the current. C. When OHMS and Watts are known: Example: A circuit consumes 625 watts through a 12.75 OHM resistor. Determine the current.