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Statement of a problem № 10183

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A 6.0-V battery is connected in series with a 49-mH inductor, a 150-Ω resistor, and an open switch. (a) At what time after the switch is closed (t = 0) will the current in the circuit be equal to 12 mA? (b) How much energy is stored in the inductor when the current reaches its maximum value?




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