5. The oquivalent. A. 8,5 B. 13 C. 11.7 D. 22 6. The frequency of sinusoidal voltage 20cos(2t+/2) is Hiz: A. 20 B. 2 c. /2 D. 1 7. 8. If the phasor voltage is V=52245, phasor current I is 5 , then the complex impedance of the load Z is: A. 1 B. 2 C. 545 D. 1+j 8. The reactive power Q of the circuit indicates: A. the absorbed energy B. the supplied energy C. the transformed energy 9. The following logic diagram is a symbol for a gate. A. Not B. And C. NAND D. Nor 10. The circuit is a circuit if the output depends only on the current input A. combinational B. sequential C. simple D. typical