An RL Circuit Has L = 0

question 17

Multiple Choice

An RL circuit has L = 0.45 H and R = 3.5 Ω.It is connected to a battery with ε = 25 V at time t = 0.Find the energy stored in the inductor when the current in the circuit is 0.25 A.

• A)14 mJ
• B)28 J
• C)110 J
• D)3.2 mJ
• E)800 J

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