MCQOPTIONS
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| 1. |
Why are transformer stamping annealed before being used for the building? |
| A. | to reduce eddy-current loss due to burning of edges |
| B. | to reduce hysteresis loss due to burning of edges |
| C. | to give mechanical strength to the core |
| D. | to increase core permeability |
| Answer» B. to reduce hysteresis loss due to burning of edges | |