1. The problem statement, all variables and given/known data Determine the resistance of a 0.2H coil used to replace the inductor if the circuits time constant falls to 0.55ms. 2. Relevant equations l/R 3. The attempt at a solution L/R = 0.2H/R = 0.55ms Transposing for R... R = 0.2/0.0055 = 36.36Ω is the resistance of the coil?