 A. True
 B. False
Series Parallel Circuits

A Wheatstone bridge is often shown in a “diamond” configuration.

Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is_____.
 A. 138 Ω
 B. 1,389 Ω
 C. 5,700 Ω
 D. 880 Ω

A 12 kΩ resistor, a 15 kΩ resistor, and a 22 kΩ resistor are in series with two 10 kΩ resistors that are in parallel. The source voltage is 75 V. Current through the 15 kΩ resistor is approximately_____.
 A. 14 mA
 B. 1.4 mA
 C. 5 mA
 D. 50 mA

Using Kirchhoff’s voltage law, you can find the voltages across certain parts of a seriesparallel circuit.
 A. True
 B. False

A certain Wheatstone bridge has the following resistor values: R1 = 10 kΩ, R2 = 720 Ω, and R4 = 2.4 kΩ. The unknown resistance is_____.
 A. 24 Ω
 B. 2.4 Ω
 C. 300 Ω
 D. 3,000 Ω

The parallel combination of a 470 Ω resistor and a 680 Ω resistor is in series with the parallel combination of four 2 kΩ resistors. The total resistance is_____.
 A. 1,650 Ω
 B. 1,078 Ω
 C. 77.8 Ω
 D. 778 Ω

The parallel combination of a 470 Ω resistor and a 1.2 kΩ resistor is in series with the parallel combination of three 3 kΩ resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of_____.
 A. 470 Ω or 1.2 kΩ
 B. 3 kΩ
 C. 470 Ω
 D. 1.2 kΩ

A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?
 A. 1 MΩ
 B. 24 kΩ
 C. 18 kΩ
 D. 12 kΩ

A voltage divider consists of two 68 kΩ resistors and a 24 V source. The unknown output voltage is_____.
 A. 12 V
 B. 24 V
 C. 0 V
 D. 6 V

Using the currentdivider formula, you can find the current in any branch of a seriesparallel circuit.
 A. True
 B. False