16. |
Which one of the following statements best describes magnetic hysteresis? |
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17. |
Which one of the following phrases best describes residual magnetism? |
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18. |
A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? |
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19. |
Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? |
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20. |
Which one of the following phrases most accurately describes a purely inductive circuit? |
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