VITEEE 2015 Paper

Section: Physics

Question : 25 of 120

Marks: +1, -0

Which of the following statement related to hysteresis loop is incorrect?

The curve of B against H for a ferromagnetic material is called hysteresis loop
The area of B-H curve is a measure of power dissipated per cycle per unit area of the specimen
Coercitivity is a measure of the magnetic field required to destroy the residual magnetism of ferromagnetic material
The retentivity of a specimen is the measure of magnetic field remaining in the specimen when the magnetising field is removed

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