Summary

• Parallel & series circuits

• Review parallel & series circuits
  Example #1
  
  Example #2
  
  
• Voltage is like height applet
  
  
• Kirchoff's rules
  1. Conservation of current
  2. DV_loop = 0
  
  Example #3
  

sj6 28.6
In Fig. P28.6, what is the current through the 7.00 W resistor if DV_ab = 34.0  V?
A. 0.835 A         B. 1.17 A
C. 1.74 A           D. 7.72 A
Answer







sj6 28.16
Two resistors have R_eff = 690 W in series and 150 W in parallel. What are their values?
A. 180 W, 320 W
B. 250 W, 250 W
C. 136 W, 722 W
D. 220 W, 470 W
Answer







sj6 28.18
If the ammeter reads 2.00 A, what is the unknown battery voltage e in Fig. P28.18?
A. 15.2 V           B. 12.6 V
C. 6.50 V           D. 3.33 V
Answer







 



B. 1.17 A













 



D. 220 W, 470 W













 



B. 12.6 V