Resistors in Circuits - Practice – The Physics Hypertextbook A circuit breaker in series before the parallel branches can prevent overloads by automatically opening the circuit. A 15 A circuit operating at 120 V consumes 1,800 W of total power. P = VI = (120 V)(15 A) = 1,800 W. Total power in a parallel circuit is the sum of the power consumed on the individual branches. Circuit Diagram - ProProfs Quiz Circuit Diagram . 5 Questions | By Jessesalvaceniza | Last updated: Feb 27, 2013 . Please take the quiz to rate it. Settings. Feedback. During the Quiz End of Quiz. What kind of circuit is this? A. Series Circuit. B. Parallel Circuit. C. Complex Circuit. 5. Below is 4/5 Physics Tutorial: Circuit Symbols and Circuit Diagrams An electric circuit is commonly described with mere words like A light bulb is connected to a D-cell . Another means of describing a circuit is to simply draw it. A final means of describing an electric circuit is by use of conventional circuit symbols to provide a schematic diagram of the circuit and its components. Circuit Diagram: How To Read And Understand Any Schematic What is a circuit diagram? A circuit diagram, or a schematic diagram, is a technical drawing of how to connect electronic components to get a certain function. Each electronic component has a symbolr seeing a few circuit diagrams, you’ll quickly learn how to distinguish the different symbols.