I. Using a soft iron ore
II. Laminating the iron core to reduce energy loses due to eddy current
III. Designing an efficient iron core
A. I & II only
B. II only
C. I, II, & III only
D. III only
Correct Answer:
Option C – I, II, & III only
Explanation
Fig (I) (II) (III) are they in which a transformer was designed to reduce an energy loses by reducing through this collective designed or efforts