Transformers
The permissible flux density in case of cold rolled grain oriented steel is around

2.7 Wb/m²
3.7 Wb/m²
4.7 Wb/m²
1.7 Wb/m²

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Transformers
No-load current of a transformer has

has high magnitude and low power factor
has high magnitude and high power factor
has small magnitude and high power factor
has small magnitude and low power factor

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