1.

A single-phase, 1100/200 V, 50Hz transformer has a core with a square cross-section, each side being 15 cm. The maximum flux density in the core is not to exceed 12000 lines/cm2. The primary and secondary number of turns are, respectively

A. 1100 and 200
B. 550 and 100
C. 275 and 75
D. 184 and 33
Answer» E.


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