Giancoli Ch. 19 – p. 549-550, Problems #35-48 key

35a) 2.82 x 10-5 F

35b) 7.8 x 10-7 F

36) 2.07 x 10-8 F in parallel; 1.83 x 10-9 F in series

37) 3.71 x 10-6 F

38) V2.00 = 26.0 V; V3.00 = 14.9 V; V4.00 = 11.1 V

39) 7.3 x 10-9 F; yes

40) 11.0 μF connected in parallel

42) Q1 = 1.02 x 10-3 C; Q2 = Q3 = 3.39 x 10-4 C

43) Q1 = 48.0 μC, V1 = 3.00 V; Q2 = 24.0 μC, V2 = 1.50 V; Q3 = 24.0 μC, V3 = 1.50 V; V = 3.00 V

44) 3.3 x 10-2 J

45a) V1 = 5.4 V; V2 = 3.6 V

45b) all have 2.2 x 10-6 C of charge each

45c) 9.0 V each; Q1 = 3.6 x 10-6 C; Q2 = 5.4 x 10-6 C

46a) both capacitors are in parallel

47) 500 pF

48) 5.14 pF