O First graph The I vs t graph shown below is for an LR circuit with a battery. I (A) 18 13.5 Determine the time constant of the LR circuit. 9. If R = 3 1, determine L. L = 4.5 t(s) 16 24 32 40 48 56 64 72 80 O Second graph The I vs t graph shown below is for an LR circuit without a battery. I (A) 4 3. Determine the time constant of the LR circuit. 2. If R = 10 1, determine L. L = 1. t(s) 20 4 12 16
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