Which ofthe following is the CORRECT expression for hysteresis loss occurring in a material?

A

$$\eta \times B_m^2 \times f^2 \times V$$

B

$$\eta \times B_m^2 \times f^2 \times V^{2.5}$$

C

$$\eta \times B_m^{1.6} \times f \times V$$

D

$$\eta \times B_m^{2} \times f^{1.6} \times V$$