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１静電気と電界

4

Q1[C] Q2[C] r[m]

F[N]

1 2

2

04

QQF

r[N] ( )

0 0=8.85×10-12[F/m]9

0

19 10

4

Q1[C] Q2[C] (+ + )

(+ )

Q1[C] Q2[C]

F[N]F[N]

Q1[C] Q2[C]

(+ + )

Q1[C] Q2[C]

F[N]F[N]

Q1[C] Q2[C]

(+ )

3[m] A B 2 Q[C]

P 2×10-6[C] B 4×10-3[N]

Q[C] 4 0=1/(9×109)[F/m]

1.78 10-7 2.96 10-7 4.21 10-7

6.54 10-7 8.47 10-7

6

2 10-6

[C]

A P B

Q[C] Q[C]4 10-3

[N]

1[m] 2[m]

5

q1[C] q2[C] r[m] F[N]

1 2

2

04

q qF

r[N]

A Q[C] P 2 10-6[C] F1[N]

2 10-6

[C]

A P B

Q[C] Q[C]4 10-3

[N]

1[m] 2[m]

6

1 2

0

2 10

4 1

QF [N] (1)

B Q[C] P 2 10-6[C] F2[N]

6

2 2

0

2 10

4 2

QF [N] (2)

F1 F2 = 4 10-3[N] (1)(2)

A P B

Q[C] Q[C]

1[m] 2[m]

F1[N]F2[N]

6 63

2 2

0 0

2 10 2 104 10

4 1 4 2

Q Q[N] (3)

(3) Q[C]

3

1 2

6 63

2 2

0 0

4 10

2 10 2 104 10

4 1 4 2

F F

Q Q

6

3 0

6

3 0

6

3

9 6

41 14 10

1 4 2 10

434 10

4 2 10

4 14 10

3 9 10 2

Q

Q

Q10

72.96 10Q [C]

7

N[ ]

0 s

Q QN

8

[ ]

Q 0 s

( )

10

11

2

SC

d[F] ( )

( F )

= 0 s [F/m] 0

0=8.85×10-12[F/m] S [m2] d [m]

Q[C]

[C]

V [V]

C

Q[C] ( ) ( )

d[m]

S[m2]

[F/m]

Q CV

! .° 9...ZU 5 #Û!Ç ã5 6 Y[ZG [U 5 6 Á0 ! . 9Ô ; \ f + , 2 Ç ÷ Á0 9Õ Y\XG \U D ^ , Á0 9Ô...

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Transcript of ! .° 9...ZU 5 #Û!Ç ã5 6 Y[ZG [U 5 6 Á0 ! . 9Ô ; \ f + , 2 Ç ÷ Á0 9Õ Y\XG \U D ^ , Á0 9Ô...