Tb alt 0) Ta The outer solenoid has a current I(t) = I, cos(aot) where the current at t=0 is shown. Na = 50, N = 450, I, = 400A, w = 120z ra = 8cm, rp = 30cm, L. = L, = 50cm %3D a) Find the mutual inductance of the pair of solenoids (in mH), and b) find the energy stored in the outer solenoid at t=0 (in kJ).
Tb alt 0) Ta The outer solenoid has a current I(t) = I, cos(aot) where the current at t=0 is shown. Na = 50, N = 450, I, = 400A, w = 120z ra = 8cm, rp = 30cm, L. = L, = 50cm %3D a) Find the mutual inductance of the pair of solenoids (in mH), and b) find the energy stored in the outer solenoid at t=0 (in kJ).
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Transcribed Image Text:Two concentric solenoids:
Tb
A(t 0)
Ta
The outer solenoid has a current
I(t) = I, cos(@t)
where the current at t=0 is shown.
Na = 50, N
, = 450, I, = 400A, o = 120T
30ст, La
%3D
8ст, rь
L = 50cm
%3D
la =
a) Find the mutual inductance of the pair of
solenoids (in mH), and
b) find the energy stored in the outer solenoid
at t=0 (in kJ).
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