1.

If primary and secondary windings of core type single-phase transformer are wound on the non-magnetic core, then the1. efficiency of the transformer will decrease2. efficiency of the transformer will increase3. transformer regulation will increase4. transformer regulation will decrease

A. 1 and 4
B. 1 and 3
C. 2 and 3
D. 2 and 4
Answer» C. 2 and 3


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