The time constant of the circuit. ] A constant voltage is applied to a series R-L circuit at t=0 by closing a switch. The voltage across L is 25 V at t = 0 and drops to 5 V at t = 0.025 second. If L = 2 H, what must be the value of R?
The time constant of the circuit. ] A constant voltage is applied to a series R-L circuit at t=0 by closing a switch. The voltage across L is 25 V at t = 0 and drops to 5 V at t = 0.025 second. If L = 2 H, what must be the value of R?
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