3), the
magnitude of the induced emf is given by
(
– 0)
tB
t
Φ
Φ
ε
=∆
=
∆
∆
 
10–3
=
1 0 mV
2
0 7
=
×
And the magnitude of the current is
10–3
V
2 mA
0 5
I
=εR
=
=
Ω
Note that the earth’s magnetic field also produces a flux through the
loop