Q: Which one of the following types of materials is having high remanence, coercivity and saturation flux density as well as low permeability and high hysteresis energy losses?
(a)Soft magnetic materials
(b)Hard magnetic materials
(c)Hard electrical materials
(d)Soft electrical materials
Correct Answer: (b)
The correct answer is (c) 'Hard electrical materials'. This question from the Geography domain tests knowledge of Population & Demography.