MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the property of retentivity in magnetic materials? |
| A. | After removal of external magnetic fields, magnetization exists |
| B. | After removal of external magnetic fields, magnetization doesn’t exist |
| C. | After removal of internal magnetic fields, magnetization exists |
| D. | After removal of internal magnetic fields, magnetization doesn’t exist |
| Answer» B. After removal of external magnetic fields, magnetization doesn’t exist | |