MCQOPTIONS
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| 1. |
A current transformer (CT) of turns ratio 1 : 248 is rated as 1000 / 4 A, 20 VA. The core loss and magnetizing components of the primary current are 4 A and 8 A under rated conditions. The ratio error for the rated burden and the rated secondary current at 0.8 power factor lagging is |
| A. | 0 |
| B. | -0.64 |
| C. | -0.66 |
| D. | 0.8 |
| Answer» E. | |