47. The current in the circuit is given by i = i0 e − t/τ L , where i0 is the current at time t =0and τ L is the inductive time constant ( L/R ) . We solve for τ L . Dividing by i0 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.