Question: At time t = 0, a 45 V potential difference is suddenly applied to the leads of a coil with inductance L = 50 mH

At time t = 0, a 45 V potential difference is suddenly applied to the leads of a coil with inductance L = 50 mH and resistance R = 180Ω. At what rate is the current through the coil increasing at t = 1.2 ms?

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