Materials subjected to rapid reversal of magnetism should have – McqOptions

MCQOPTIONS

1.	Materials subjected to rapid reversal of magnetism should have
A.	large area oib-h loop
B.	high permeability and low hysteresis loss
C.	high co-ercivity and high reten-tivity
D.	high co-ercivity and low density
Answer» C. high co-ercivity and high reten-tivity

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