Transformers
The primary and secondary of a transformer are ______ coupled.

Magnetically
None of the listed here
Electrically and magnetically
Electrically

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Transformers
No-load current of a transformer has

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

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Transformers
An ideal transformer is one which has

a common core for its primary and secondary windings
no losses and magnetic leakage
interleaved primary and secondary windings
core of stainless steel and winding of pure copper metal

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