Question: When the secondary winding of a current transformer is open circuited with the primary winding energized
Answer:
MCQ: When the secondary winding of a current transformer is open circuited with the primary winding energized
Correct Answer:
A. The whole of the primary current produces large value of flux in the core(limited only saturation) thereby producing a large voltage in the secondary winding
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Related Questions
- 1. Clamps on meters are used because
- 2. When the secondary winding of a potential transformer is suddenly open circuited with primary winding excited :
- 3. The ratio and phase angle errors in potential transformers may be reduced by
- 4. Capacitive potential transformer are used
- 5. The size of the potential transformers :
- 6. The ratio of transformation in the case of potential transformers :
- 7. In case of potential transformer :
- 8. The disadvantages of using shunts for high current measurements are
- 9. The disadvantages of using multipliers with voltmeters for measuring high voltages are
- 10. The advantages of instrument transformers are
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