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TRANSCRIPT
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