Chapter 18

6-4 1

1

Outline-2

-

E

3

+q

+q

d

v

q Q q r Ue

Q

q

r

4

BA5

riri1rB

QqO

rBrA

n

Fr

6

6

7

7

8

BA9

riri1rB

QqO

rBrA

n

Fr

Qqr

10

Q

q

r

11

Q

()

q1

q2

q3

r2

r1

r3

M

Q13

q

mrr

1214

12

12

1317

13

13

1420

14

Electric PotentialQ ()22

Q

22

V=0V=00V=V1+V2+V3+V4+.23

-

24

25

25

Q

26

QSA

SB27

rA

rB

EVdVEd

28:A:B

dV

V

Fe

0 =0 29

30

From:serway

(EKG)

31

32From:serway

(nerve impulse)(Axon)Na+33

34

35

Q()36

2-dimensional view3-dimensional view

37

37http://sol.sci.uop.edu/~jfalward/electricpotential/electricpotential.html

38

http://maxwell.ucdavis.edu/~electro/-3D-3D

15

15

16

16

17

17

18

18

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