Peoples Physics Book Version-2

29.1. Appendix A: Answers to Selected Problems (3e) http://www.ck12.org

Ch 16: Electric Circuits—Advanced

1. 1. 4. 9 × 10 −^5 H

2.− 9. 8 × 10 −^5 V

2. Zero
   
   
   1. Yes
   
   
   2. No
   
   
   3. Because they turn current flow on and off.
   
   
   4. 0.5 V
   
   
   5. 0.05 A
   
   
   6. 0.05 A
   
   
   7. 5.5 V
   
   
   8. 8.25V
   
   
   9. 11×
   
   
   
   

1.On

2.On

3.On,on,o f f,on,o f f,o f f,on,on

3. (b) 10. 9 μF (c) 195Ω(d) 169Ω(e) 1.39 A (f)− 42 ◦(g) 115Hz

Ch 17: Light

1..
2..
3. 2200 blue wavelengths
4. 65000x−rays
5.. 6× 1014 Hz6. 3 .3 m
6..
7..
8. (b) vacuum air (c) 1. 96 × 108 m/s
9. 6. 99 × 10 −^7 m; 5. 26 × 10 −7 m
10..
11..
12. Absorbs red and green.
13. 25◦
14..
15. 33. 3 ◦

1. 
   
   
   
   49. 7 ◦
   
   
   
   


2. No such angle


3. 
   
   
   
   48. 8 ◦
   
   
   
   


4. (b) 11.4 m (c) 11.5 m


5. 85 cm


6. (c)+4 units (e)− 1


7. 6 units


8. bigger;M= 3