P32_034 - 34. (a) From Eq. 32-34, id dE d dE = 0 A = 0 A...

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34. (a) From Eq. 32-34, i d = ε 0 d Φ E dt = ε 0 A dE dt = ε 0 A d dt £ (4 . 0 × 10 5 ) (6 . 0 × 10 4 t ) ¤ = ε 0 A (6 . 0 × 10 4 V / m · s) = µ 8 . 85 × 10 12 C 2 N · m 2 (4 . 0 × 10 2 m 2 )(6 . 0 × 10 4 V / m · s) = 2 . 1 × 10 8 A . (b) If one draws a counterclockwise circular loop s around the plates, then according to Eq. 32-42
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