3.318.
m
/i' Dpo
= 0.7 ms, where p is the resistivity, po is the
density of copper.
3.319. Li — 1/ 21:: In = 0.26 p,H/m.
3.320. L
p,N2a In (1 +1) .
3.321. L1 = tioldb = 25 nH/m.
3.322. Li
Pi'. In 1.
3.323. (a) I = na2B/L; (b) A = 1/2n2a4B2/L.
3.324. I = I (1 + = 2 A.
3.325. / =
jia 8B
— 50 A.
[to ln
— 2 )
3.326. I=
+ (1— 1) e-tliR/L].
3.327. I =1- (1— e—t-R/29.
" R (.1, 1L + 2
1.,
L2)
3.328.
3.329. Lie= 1' 2 1
4 In (1 -1-÷) .
3.330.
Li2 p,0 2N in b
3.331. (a) L1
2
1/211, 03-ta2/b; (b) 021 = 1121-Lona 2//b.
3.332. pm = 2aRqlp,oN.
3.333. L12 ^---% 112 p,ona 4113.
3.334. /2 = aLR12 (1 e-tR/L2).
/42
3.335. Q 2R2 (1+ Rol R) —3
J.
3.336. W
= 0.5 J.
3.337. W = BlIa2a2b = 2.0 J, where H = 1/2 NI/nb.
3.338. (a) Wgap /Wm pb/nd = 3.0; (b) L
aN di 2 — 0.15 H.
3.339. Wi = Rdt,26)2a2/831.
3.340. E =
solo = 3.108 V/m.
3.341. wm/ive =
go110002a 4/ 2
1.1.10-15.
3.343. (a) Ltotat = 2L; (b) Ltotat = L/2.
3.344. L12=1/- L1L2.
3.346. W12= P2b2 /1/2 cos 0.
3.347. (a) ja = --i; (b) Id = qieogP•
3.348. The displacement current should be taken into account
in addition to the conduction current.
3.349. Em = InzleocoS = 7 V/cm.
3.350. H = Hm cos (cot ±a,),
where
and a is determined from the formula tan a = com/a.
R' (Li+ L2)
117n -7 2; V 62 + (8°"))2
319
m
/i' Dpo
= 0.7 ms, where p is the resistivity, po is the
density of copper.
3.319. Li — 1/ 21:: In = 0.26 p,H/m.
3.320. L
p,N2a In (1 +1) .
3.321. L1 = tioldb = 25 nH/m.
3.322. Li
Pi'. In 1.
3.323. (a) I = na2B/L; (b) A = 1/2n2a4B2/L.
3.324. I = I (1 + = 2 A.
3.325. / =
jia 8B
— 50 A.
[to ln
— 2 )
3.326. I=
+ (1— 1) e-tliR/L].
3.327. I =1- (1— e—t-R/29.
" R (.1, 1L + 2
1.,
L2)
3.328.
3.329. Lie= 1' 2 1
4 In (1 -1-÷) .
3.330.
Li2 p,0 2N in b
3.331. (a) L1
2
1/211, 03-ta2/b; (b) 021 = 1121-Lona 2//b.
3.332. pm = 2aRqlp,oN.
3.333. L12 ^---% 112 p,ona 4113.
3.334. /2 = aLR12 (1 e-tR/L2).
/42
3.335. Q 2R2 (1+ Rol R) —3
J.
3.336. W
= 0.5 J.
3.337. W = BlIa2a2b = 2.0 J, where H = 1/2 NI/nb.
3.338. (a) Wgap /Wm pb/nd = 3.0; (b) L
aN di 2 — 0.15 H.
3.339. Wi = Rdt,26)2a2/831.
3.340. E =
solo = 3.108 V/m.
3.341. wm/ive =
go110002a 4/ 2
1.1.10-15.
3.343. (a) Ltotat = 2L; (b) Ltotat = L/2.
3.344. L12=1/- L1L2.
3.346. W12= P2b2 /1/2 cos 0.
3.347. (a) ja = --i; (b) Id = qieogP•
3.348. The displacement current should be taken into account
in addition to the conduction current.
3.349. Em = InzleocoS = 7 V/cm.
3.350. H = Hm cos (cot ±a,),
where
and a is determined from the formula tan a = com/a.
R' (Li+ L2)
117n -7 2; V 62 + (8°"))2
319