Which one of the following statements best describes magnetic hysteresis?

Which one of the following statements best describes magnetic hysteresis? Correct Answer Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently

Bissoy MCQ

Related Questions

If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be
The dependences of the magnetic susceptibility $$\left( \chi \right)$$ of a material with temperature (T) can be represented by $$\chi \propto \frac{1}{{T - \theta }},$$   where θ is the Curie-Weiss temperature. The plot of magnetic susceptibility versus temperature is sketched in the figure, as curves P, Q and R with curve Q having θ = 0. Which one of the following statements is correct?
Solid State Physics mcq question image
Consider the following statements.
1. Magnetic lines of force are closed curves while electric lines are not.
2. Electric lines of force are closed curves while magnetic lines are not.
3. Both electric and magnetic lines of force are closed curves.
Which of statement(s) given above is/are correct?
Which of the following statements are correct?
1. Change in magnetic field produces induced current.
2. Flow of current in a conductor produces magnetic field.
3. Magnetic field related to coil can be produced by motion between conductor and coil.
In a magnetic material hysteresis loss takes place primarily due to
As hysteresis motors are free from mechanical and magnetic vibrations therefore these are considered as suitable for
The hysteresis loss in soft magnetic materials must be kept ______
State whether the following statement is true or false about Magnetic abrasive finishing. “Vibratory motion that is axial, is introduced in the magnetic field by the oscillation of magnetic poles.”
A piece of paraffin is placed in a uniform magnetic field H0. The sample contains hydrogen nuclei of mass mp, which interact only with external magnetic field. An additional oscillating magnetic field is applied to observe resonance absorption. If g1 is the g-factor of the hydrogen nucleus, the frequency at which resonance absorption takes place, is given by
The total number of magnetic lines of force crossing the surface placed in a magnetic field normally is called the magnetic induction.