The figure below shows a battery with emf \( 15 \mathrm{~V} \) in a circuit with \( R_{1}=30 \Om...

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The figure below shows a battery with emf \( 15 \mathrm{~V} \) in a circuit with \( R_{1}=30 \Omega, R_{2}=10 \Omega, R_{3}=20 \Omega \) and \( L=3.0 \mathrm{H} \). The switch \( S \) is initially in the open position and is then closed at time \( t=0 \). Then the graph which shows the correct variation of current through battery after switch \( S \) is closed
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