728by90ad
Electronic Principles - Section 3 Multiple Questions and Answers.
Exercise Questions ::
Electronic Principles
| 21. | When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: |
| |
| A. | parallel RL circuit |
| B. | parallel RC circuit |
| C. | parallel RLC circuit operated above its resonant frequency |
| D. | purely resistive circuit |
|
|
Published by:Michael Daani
| 22. | Doubling the operating frequency of an inductive circuit: |
| |
| A. | has no effect on the inductive reactance |
| B. | doubles the amount of inductive reactance |
| C. | multiplies the inductive reactance by 6.28 |
| D. | cuts the inductive reactance in half |
|
|
Published by:Michael Daani
| 23. | A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit? |
| |
| A. | 1000 V and a series resistance of 10 k Ohm |
| B. | 100 V and a parallel resistance of 10 k Ohm |
| C. | 100 V and a series resistance of 10 k Ohm |
| D. | 1000 V and a parallel resistance of 10 kOhm |
|
|
Published by:Michael Daani
| 24. | Which one of the following statements is true? |
| |
| A. | Power dissipation of a pure capacitor increases with operating frequency |
| B. | Power dissipation of a pure capacitor decreases with operating frequency |
| C. | There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency |
| D. | All of the above |
|
|
Published by:Michael Daani
| 25. | A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? |
| |
| A. | 50 A |
| B. | 12:00 AM |
| C. | 5:00 AM |
| D. | 20 A |
|
|
Published by:Michael Daani
«»
