Even Answers

2. (a) 193 W (b) 144 W

6. 
,  
for lamps 1 and 2; 

,  
for lamp 3

18. –32.0 A

24. 1.88 V

26. See hint.

28.(a)2.00 A (b) 160 W (c)

32.(a) 5.43 A (b) 0.905 (c) 281 mF (d) 109 V