Home » Question » Electrical Engineering » Transformer » The main purpose of using core in transformer is to? The main purpose of using core in transformer is to? a) Decrease reluctance of the common magnetic circuit. b) Decrease iron losses. c) Prevent hysteresis loses. d) Prevent eddy current losses. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.