7. A 400 resistance is in series with capacitive reactance, Xc, of 400 22. The total impedance, ZT, is : A. 565.7 ΚΩ. C. 400 Ω. B. 565.7 2. C. 150 μF. D. 800 . 8. The equivalent capacitance, CT, of a 50 μF and 100 µF capacitor in parallel is A. 33.3 µF. B. 33.3 F. D. 100 µF.
9. For the Diode circuit shown, What value of Rs will provide an LED current of 40 mA? A. 325 ΜΩ. Vin = +15 V Β. 650 Ω. C. 300 . D. 325 2. 10. If Ic is 250 times larger than IB, then adc = A. 250 C. 0.996 C. 174 mA. B. 0.99 D. 996 C. Valence electrons. 11. In a loaded Zener regulator, the series resistor has a current, Is equals to 120 mA. If the load current, IL is 54 mA, how much is the Zener current, Iz? A. 66 A. B. 66 mA. D. 0 A. 12. In a p -type semiconductor, the majority current carriers are A. Free electrons B. Neutrons. R$ D. Holes. Red LED H
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