Magnetic circuit objective questions with explanations

Magnetic circuit objective questions with explanations for ESE,GATE,SSC,RRB&other exams

Q no 1. Point out the wrong statement

             Magnetic leakage is undersirable in electric machines because it

          a ) lower their efficiency

          b ) increases their cost of manufacture

          c ) leads to their increased weight

          d ) produces fringing

explanations

                  answer  a ) lower their efficiency