McqMate
| Q. |
When secondary of a current transformer is open-circuited its iron core will be |
| A. | hot because of heavy iron losses taking place in it due to high flux density |
| B. | hot because primary will carry heavy current |
| C. | cool as there is no secondary current |
| D. | none of above will happen |
| Answer» A. hot because of heavy iron losses taking place in it due to high flux density | |
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