Point out the wrong statement. Magnetic leakage is undesirable in electric machines because it___________?
A. lowers their power efficiency
B. increases their cost of manufacture
C. leads to their increased weight
In a magnetic material hysteresis loss takes place primarily due to___________?
A. rapid reversals of its magnetisation
B. flux density lagging behind magnetising force
C. molecular frictionD. it high retentivity…