What do you call the characteristic of a magnetic material whereby a change in magnetization lags the application of a magnetizing force?

What do you call the characteristic of a magnetic material whereby a c

1.	What do you call the characteristic of a magnetic material whereby a change in magnetization lags the application of a magnetizing force?
A.	Hysteresis
B.	Induction
C.	Retentivity
D.	Reluctance
Answer» B. Induction