Draw hysteresis (B-H curve) of a specimen in the form of a transformer and to determine its hysteresis loss
1. B-H curve is also known as ______.
2. The area of the hysteresis loop represents ______.
3. Coercivity (Hc) refers to ______.
4. What is the unit of magnetic flux density (B)?
5. What is remanence (Br) in the B-H curve?