For a permanent magnetic material – McqOptions

MCQOPTIONS

1.	For a permanent magnetic material
A.	the residual induction and coercive field should be large
B.	the residual induction and coercive field should be small
C.	area of hysteresis loop should be small
D.	initial relative permeability should be high
Answer» B. the residual induction and coercive field should be small

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