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1. Un circuito consiste de una fuente de voltaje, Vs 45 cos 220 t V, en serie con una resistencia de 125 2y un inductor de 57 mH. Determine la impedancia equivalente que ve la fuente en Ohmios [magnitud y ángulo]. 2. Determine el factor de potencia de la impedancia equivalente del problema anterior . La corriente en un circuito capacitivo está atrasada con respect al voltaje a. Cierto b. Falso c. Nosé d. No aplica e. No importa 4. El voltaje en un capacitor de 2200 pF como función de tiempo es Vc- 14 cos 6300t V, determine la corriente como fasor con valor RMS.

1. A circuit consists of a voltage source, Vs=45cos220t V, in series witha 125 ohm resistance and a 57mH inductor. Determine the equivalent impedance that goes to the source in ohms (magnitud and angle)

2. Determine the power factor of the equivalent impedance of the previous problem.

3. The current in a circuit is delayed with respect to the voltage: TRUE or FALSE

4. The voltage in a capacitor of 2200 pF as a function of time is Vc=14cos6300t V. Determine the current as a phasor with RMS value

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