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07-02-2024
Physics

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The current in a 20 mH inductor is known to be 7+(15sin140t - 35cos140t )e⁽⁻²⁰ᵗ⁾ mA for t>0. Assume the passive sign convention. a) At what instant of time is the voltage across the inductor maximum? b) What is the maximum voltage?

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