6-38 The switch in the circuit of Figure P6-38 is closed at t = 0, and the circuit is ini- tially relaxed. Determine the current i(t). FIGURE P6-38 100 cos 5000f 0.2 H 1.2 k ww 190² 0.2 μF

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Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.