6. The equivalent resistance of a complex circuit is usually determined by a. Inspection. b. simplifying the circuit into groups of series and parallel circuits c. adding and subtracting individual resistances. d. dividing the sum of the individual resistances by the number of resistances. 7. To find the current in a complex circuit, it is necessary to know the a. potential difference in each device in the circuit. b. current in each device in the circuit. c. equivalent resistance of the circuit. d. number of branches in the circuit. 3.0 0 WW 3.0 0 3 3.0 0 3.0 0 A B. What is the equivalent resistance for the resistors in the figure shown above? a. )12 0 G. 0.444 0 b. 2.25 0 d. 1.33 0C 11. You have three 100 resistors available. How would you connect these three resistors to produce a 150 equivalent resistance? You must use all of the resistors. a. Connect all three resistors in parallel. b. Connect all three resistors in series. c. Connect one resistor in series with two resistors in parallel, d. Connect two resistors in series with the third resistor in parallel to the first two. 12. Because household devices are connected in parallel in a circuit, as new devices are connected in parallel a. the potential difference decreases b. the potential difference remains the same c. the power dissipated in the circuit remains constant d. the power dissipated in the circuit decreases Short Answer. (7 points each) Answer the questions in 2 or more complete sentences. B 13. In the Diagram above, what light bulb(s) have current? What light bulb(s) do not have current and why? A