47. The current in the circuit is given by
i
=
i
0
e
−
t/τ
L
,
where
i
0
is the current at time
t
=0and
τ
L
is the
inductive time constant (
L/R
) . We solve for
τ
L
. Dividing by
i
0
and taking the natural logarithm of
both sides, we obtain
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
 Fall '08
 SPRUNGER
 Physics, Current

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