A series RL circuit with inductance 6.0 mH and resistance 20 is connected to a 12.0-V battery of negligible internal resistance. The energy stored in the magnetic field of the inductor 8.0 s after the switch is closed is
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0 mH = 6 x 10^-3 H) and R is the resistance (20 Ω). τ = 6 x 10^-3 H / 20 Ω τ = 3 x 10^-4 seconds Show more…
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