Page 321 - Schaum's Outline of Theory and Problems of Applied Physics

306 DIRECT-CURRENTCIRCUITS [CHAP. 25

Fig. 25-17 Fig. 25-18
25.24. Find the currents in the resistors of the circuit shown in Fig. 25-20. The internal resistances of the emf sources are
included in the external resistances.

25.25. (a) Find the current in the 5- resistor in the circuit shown in Fig. 25-21. (b) Find the potential difference between
points A and B. The internal resistances of the emf sources must be taken into account.

Fig. 25-19 Fig. 25-20 Fig. 25-21

Answers to Multiple-Choice Questions

25.1. (b) 25.6. (b) 25.11. (a)
25.2. (a) 25.7. (c) 25.12. (c)

25.3. (b) 25.8. (c) 25.13. (d)

25.4. (a) 25.9. (b) 25.14. (b)
25.5. (a) 25.10. (c)

Answers to Supplementary Problems

25.1. There is no way in which an auxiliary resistor can be connected to increase the current.
25.2. (a) 240 (b) 0.05 A