Electronic Principles - Section 5 Multiple Questions and Answers.
Exercise Questions ::
Electronic Principles
| 26. | When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: |
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| A. | parallel RL circuit |
| B. | parallel RC circuit |
| C. | parallel RLC circuit operated above its resonant frequency |
| D. | purely resistive circuit |
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Published by:Michael Daani
Published by:Michael Daani
| 28. | Which one of the following statements most accurately reflects the nature of ac power? |
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| A. | The current in an ac circuit flows in one direction, but changes value periodically |
| B. | The current in an ac circuit flows in one direction at a steady level |
| C. | The current in an ac circuit changes direction periodically |
| D. | The current in an ac circuit flows in two directions at the same time |
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Published by:Michael Daani
| 29. | A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? |
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| A. | 700 V |
| B. | 707 V |
| C. | 651 V |
| D. | 208 V |
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Published by:Michael Daani
| 30. | Which one of the following principles best describes the basic operation of a generator? |
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| A. | Like magnetic poles repel; unlike poles attract |
| B. | Current is induced in a conductor that is moving through a magnetic field |
| C. | Like magnetic poles attract; unlike poles repel |
| D. | Current flowing through a conductor generates a magnetic field |
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Published by:Michael Daani
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