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Electronic Principles - Section 3 Multiple Questions and Answers.
| 11. | What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? | ||
| A. | 60 Ohm | ||
| B. | 99.3 Ohm | ||
| C. | 250 Ohm | ||
| D. | 70.7Ohm | ||
| 12. | Current can flow through a normally open push button switch as long as: | ||
| A. | you are pressing the button | ||
| B. | you are not pressing the button | ||
| C. | its contact remain open | ||
| D. | its contact remain open | ||
| 14. | How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? | ||
| A. | 0.151 mA | ||
| B. | 157 raA | ||
| C. | 0.995 mA | ||
| D. | 2.02 A | ||
| 15. | An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? | ||
| A. | 28.4 mA | ||
| B. | 24.2 mA | ||
| C. | 34.4 mA | ||
| D. | 68.4 mA | ||
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