Chapter 23 Answer Key: Electric Circuits

Chapter 23: Electric Circuits – Key

23.1 Ohm’s Law (Single Circuits) – Solve for the Unknown Variable

1.  0.2 A

2.  360 V

3.  25 A

4.  3750 Ω

5.  216 V

6.  15 Ω

7.  0.05 A

8.  28.8 V

23.2 Series Resistors – Find the total resistance of each of the following circuits

1.  32 Ω

2.  32 Ω

3.  10 Ω

4.  50 kΩ

5.  78 kΩ

6.  235 kΩ

7.  14.8 kΩ

8.  330 Ω

23.3 Parallel Resistors – Find the total resistance of each of the following circuits

1.  3.75 Ω

2.  10.2 Ω

3.  7.47 Ω

4.  31.6 Ω

5.  40.5 Ω

6.  215 Ω

7.  25 Ω

8.  33.8 Ω

9.  70.6 Ω

10.  4.07 Ω

11.  48 Ω

12.  130 Ω

13.  35.7 Ω

14.  12 Ω

23.4 Series & Parallel Resistors: Find the total resistance of the following circuits

1.  6.3 Ω

2.  15 Ω

3.  25 Ω

4.  16.7 Ω