88.
(a) The self-inductance per meter is
L
= µ
0
n
2
A =
4π
× 10
−7
H/m
(100 turns/cm)
2
(π)(1.6 cm)
2
= 0.10 H/m .
(b) The induced emf per meter is
E
=
L
di
dt
= (0.10 H/m)(13 A/s) = 1.3 V/m .
88.
(a) The self-inductance per meter is
L
= µ
0
n
2
A =
4π
× 10
−7
H/m
(100 turns/cm)
2
(π)(1.6 cm)
2
= 0.10 H/m .
(b) The induced emf per meter is
E
=
L
di
dt
= (0.10 H/m)(13 A/s) = 1.3 V/m .