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The switch in figure has been open for a long time. It is closed at t = 0 s. What
is the current through the R₁ resistor? (a) Immediately after the switch is closed?
(b) After the switch has been closed a long time? (c) Immediately after the switch
is reopened?
R₁ = 20.0 N; R₂ = 30.0 ; L = 12 mH; E = 40 V
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R₂
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R₁
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