P31_088.PDF

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Chapter 31 - 31.88
88. (a) The self-inductance per meter is
= µ 0 n 2 A = 4 π
×
10 7 H / m (100 turns / cm) 2 ( π )(1 . 6cm) 2 =0 . 10 H / m .
(b) The induced emf per meter is
E
= L
di
dt =(0 . 10 H / m)(13 A / s) = 1 . 3V / m .
L
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