MCQOPTIONS
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MCQOPTIONS
| 1. |
The flux in a magnetic core is alternating sinusoidally at a frequency of 600 Hz. The maximum flux density is 2 T and eddy current loss is 15 W. If the frequency is raised to 800 Hz and maximum flux density reduced to 1.5 T, the eddy current loss wil |
| A. | Reduced to half |
| B. | Same |
| C. | Increased by 50% |
| D. | Doubled |
| Answer» C. Increased by 50% | |