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| Q.3 | A 50 KVA transformer has iron loss of 400 W and full-load copper loss of 800 W. If the power factor of the load is 0.8 lagging, the full-load efficiency of the transformer is: | |
| Ans | 1. 94.5 percent | |
| 2. 97.09 percent | ||
| 3. 92.3 percent | ||
| 4. 90 percent |
Correct Ans Provided: 2
