An RL Circuit Has L = 0

question 10

Multiple Choice

An RL circuit has L = 0.45 H and R = 5.5 Ω.It is connected to a battery with ε = 19 V at time t = 0.Find the energy stored in the inductor when the current in the circuit is 0.40 A.

• A) 36 mJ
• B) 72 J
• C) 180 J
• D) 5.4 J
• E) ​620 J

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