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Name: Electric Circuits Parallel Circuits Read from Lesson 4 of the Current Electricity chapter at The Physics Classroom: http://www.physicsclassroom.com/Class/circuits/u914a.html http:/www.physicsclassroom.com/Class/circuits/u914c.html MOP Connection: Electric Circuits: sublevels 8, 10 and 11 Review: 1. A circuit in which all charge follows a single pathway is a circuit; a circuit in which charge follows multiple pathways is a _ circuit. a. series, parallel b. parallel, series 2. For a parallel circuit: as the number of resistors being used within the same parallel circuit increases, the overall resistance value_ (increases, decreases) and the overall current value (increases, decreases). 3. Household circuits are connected in parallel so that Select all that apply. a. houses get the same effect with less current and thus save on energy costs. b. the turning off of one appliance does not result in the shut down of others. c. the hazard of electrocution and overheating of circuits is avoided. Water Analogy: 4. When the water flow (or charge flow) is divided into two or more separate pathways (as in a parallel circuit) the sum of the current in each individual pathway equals the total current. Utilize this principle to fill in the blanks in the following two diagrams. The meters in the diagram are measuring water flow rates in gallons per minute ("gpm"). 100 gpm 100 9pm 40 gpm (X (X) 25 gpm 20 gpm 40 gpm 60 gpm 50 gpm X)100 gpm 5 . Apply the same principle to fill in the blanks in the following diagrams for charge flow (i.e., current) through a parallel circuit. A A 2A A A 12 A 6 A The Physics Classroom, 2020 Page 15