Question

1) Define the terms soft and hard magnetism by comparing the shape with their respective hysteresis curves.
Give two examples of a technological application for them.
2) Figure 2 shows B-versus-H curve for nickel-iron alloy.
a) What is the value of the saturation flux density?
b) According to this loop, describe how the losses can be found?
c) What is the coercivity. Find its value from the curve?
d) What is the remanence. Find its value from the curve?

Answer 1

Answer:

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