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Question

Two inductors L1 (inductance 1 mH, internal resistance 3Ω) and L2 (inductance 2 mH, internal resistance 4Ω) and a resistor R (resistance 12Ω) are all connected in parallel across a 5V battery. The circuit its switched on at time t=0. The ratio of the maximum to the minimum current. (lmax/lmin) drawn from the battery is

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Solution

I=VR=512AI=VRNet=53×2=103AImaxImin=10×123×5=8
1128944_1011350_ans_19695f99c0bb4ecbb08fb68b90315b99.png

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