1. SC 102 303

2. SC 102 305

3. 306 SC 102

4. 1.
2.
3.
4.
5.
1.2 fqf$ro#n;( COULOMB ’ LAW )
SC 102 307

5. ~~5&h=l%l F e = k.q’/:
u5Ghplu”96an Fg = Gm? r2
F./Fg = (k/G)(q’/m’)
mud1 e = - 1.6 x 10% MI: m= 9.1 x 10.“kg &t&d
Fe/Fg = 4.2~10~’
308 SC 102

6. SC 102 309

7. 1 ke. m .s-*
C
lN,tll/C:
m
lN/C
1 ( kg. m.s2 ) / C
3 1 0 SC 102

8. SC 102 311

9. _.-
VA<VB
v, -v*>o
(b)

10. -

11. 3 1 4 SC 102

13. 1.5 v
b 3.0 V)
4.5 v
(a)
3 1 6 SC 102

14. -I--++-I--++1.5 v1.5 v 1.5 v1.5 v 1.5v I1.5v I
.LIt-J.LIt-JII
LOADLOAD
(h)
Ohm’s law
317

15. I
I
--L
1
0 V
318 SC 102

16. SC 102 3 1 9

18. l.I,+I,=v +-1L‘5 ‘5
SC 102 321

19. (7.15)
an] 7.13
322 SC 102

20. SC 102 323

21. -
324 SC 102

22. nx66tib'% 0.S A 6iiafllslnGQ~l9~u66%~
0.1-0.2 A WIU
0.05-O.lA Mtpl'Ml"%Q
0.02-0.05A "~lilP16~~6ii~~~~,~-~~~~~l~66~~
O.Ol-0.02A Sm6lunlafi
O.OOS-0.01A Ht%Gh&lu
O.OOl-0.005A hlBiilCp~~~"lki
I = Aq/At
wr = q”
R = VII
P *= IV = ‘f/R = I’/ R
SC 102 325

23. ~ahwiueiasynsu R = R, + R, + R,+ . . . . . . . . . . . . . . . .
~a#huwiu~suuiu R = R,R,/(R, + R2)
66wwmf asodw
1.
2.
3.
4.
5.
326

24. 1. n~:aew"wb~tru~~~'er~bfiwsew"nar"2ruqsaww~ :~wl~wal~~~l~dla6w~,2541
2. Jones,Edwin R., and Richard L.Childers Contemporary College Physics Addison-Wesley
Publishing Co. Inc. 1993
SC 102 327