16. The input power under no load condition of transformer consists of
A. core losses and very small amount of copper loss in primary.
B. copper loss in transformers.
C. core loss in transformers.
D. None of above.

When the transformer is operating at no load, current in the secondary will be zero. While primary winding carries a small current I0 called no-load current which is 2 to 10% of the rated current. This current is responsible for supplying the iron losses (hysteresis and eddy current losses) in the core and a very small amount of copper losses in the primary winding.

Most Important Transformer MCQ, EEE MCQ, EEE Job Preparation, EEE Interview Tips, EEE BD, EEE BD Job MCQ, EEE BD Tips
Most Important Transformer MCQ

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