Electronic Principles - Section 3 Multiple Questions and Answers.
Exercise Questions ::
Electronic Principles
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 |
|
|
Published by:Michael Daani
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 |
|
|
Published by:Michael Daani
13. | Doubling the operating frequency of a purely capacitive circuit: |
| |
| A. | has no effect on the total circuit current |
| B. | doubles the amount of total current |
| C. | cuts the total current by one-half |
| D. | thrice the amount of total current |
|
|
Published by:Michael Daani
Published by:Michael Daani
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 |
|
|
Published by:Michael Daani
«»