Transformers | Losses in Transformers

Transformers are used

Transformer is used to

A transformer contains 250 and 150 turns in its primary and secondary coils, respectively. The transformer is a__________. (A) Step up transformer (A) Step down transformer

The transformer ratio of a transformer is 5. If the primary voltage of the transformer is 400 V, 50 Hz the secondary voltage will be

The transformer ratio of a transformer is 5. If the primary voltage of the transformer is 400 V, 50 Hz, the secondary voltage will be

Which among the following, is not a cause for power loss in a transformer-