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Silicon in steel | |
A. | makes it usable in almost all magnetic circuits where alternating current is used. [Wrong Answer] |
B. | increases its electrical resistivity and decreases the hysteresis loss. [Wrong Answer] |
C. | is present upto 5% & 4% respectively when used in transformers & motor armatures. [Wrong Answer] |
D. | all 'a', 'b' & 'c'. [Correct Answer] |