8.electrostatic - B 1 h j j 0 0 0 2 j*h j 1 j 3 1 1.1 1 1.2...

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1 B ª
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2 h ae ª ˆjae´ª* ˆ jae´ª ˆjae´ * hjae´ª ¨ 0••ï* ¨ 0••ï
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3 1 È j ae´ ª*
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4 1.1 1 1.2 1.3 G 1.4 G 1.5 Èi G 1.6 1.7 0 G 1
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5 1.1 1 1.2 1.3 G 1 1 1 øW G r r q q k F ˆ 2 2 1 = l W k =9×10 9 N m 2 /C 2 …… 1 0 π 4 1 ε = k q 1 q 2 q r F r ˆ
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6 0 π 4 1 ε = k q 2 2 12 9 0 /Nm C 10 85 . 8 10 9 π 4 1 π 4 1 - × = × × = = k o …… G ”°ž» r r q q F ˆ π 4 1 2 2 1 0 = & » ª* KD004 1
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7 *áå¼ Ž ï*è† ; ï*àXB » ª*€ ----- G = = n i i F F 1 & SG h G , (G 1 : …… …… B » G q 1 q 2 q 02 F F 01 F
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8 1 : 1 0 q F E = q o …… G ¸» ‚» ª* ¸»‚»ª* , “ ”ð ð ( E & ¾ ¬ q 1 1 q 2 1 …… q N N E E E , 2 , 1 ¾ ¬ » 0•• ï* = = N i i E E 1 ¨ YB»ª* 1 q 2 q i q 4 q 3 q i E P
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9 1.4 SG 1 . r r q q r r q q q F E ˆ π 4 1 ˆ π 4 2 0 0 2 0 0 0 ε = = = h · G q 0 1 , : (1) ; (2) 1 r q h·‚»ª * F q 0 q r ˆ r P
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10 r r q E ˆ π 4 2 0 ε = & r 0 1 E ∞ 1 . o q 1 1 q 2 1 …… q N 0••ï* hjae´ª* hjae´ª N E E E , 2 , 1 = = = i i o i i N i i r r q E E 2 1 π 4 ˆ
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11 1 1 1 1 1 1 1 4 1 O ï €VB » ª*€ ( » ª*áå¼ Ž ï*
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12 1 1. S G 1 G 1 G (H + Cl - ) r l ( 29 - + - + - + = + = r r l r q E E E o ˆ ˆ 2 π 4 2 2 ε q , - q q q q q q E + E - E r + r ˆ - r ˆ q - q + P l α
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13 r l q ( 29 - + - = r r r q ˆ ˆ π 4 2 0 ε ( 29 3 0 3 3 π 4 π 4 π 4 r p r l q r r r q o o - = - = - = - + q q l l q p + - = P ( 29 - + - + - + = + = r r l r q E E E o ˆ ˆ 2 π 4 2 2
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14 = = q o q r r q E E 2 4 ε π ˆ d d d q = ρ d v G q d q = σ d s G q d q = λ d l G = ) , , ( d z y x E E x x q dq r E d P r ˆ
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15 = = 0 y y E E d = = = θ cos d d E E E E x x r x r y r x r q = = 2 0 2 0 π 4 d π 4 d ε λ : , 1 y , r q . x q . 1 r = 1 x 2 + y 2 1 1/2 1 , G 1 2. 1 L , ´ q ( 1 q >0 ) 1 `zμ E d y E d x E d x y q d y r x 0 L P
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16 ( 29 + = 2 0 2 3 2 2 0 4 2 / / π d L y x y x E ε
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8.electrostatic - B 1 h j j 0 0 0 2 j*h j 1 j 3 1 1.1 1 1.2...

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