Pick out the wrong statement?
ASoft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and
BTungsten steel and alnico are not hard magnetic materials
CPermanent magnets are made of hard materials, whereas electromagnets require soft magnetic
DA ferromagnetic material becomes paramagnetic above the ‘Curie temperature’
Correct answer
B. Tungsten steel and alnico are not hard magnetic materials
Explanation
The correct answer is Tungsten steel and alnico are not hard magnetic materials.