In the following graph of flux density (B) ve | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The graph shown is a magnetic hysteresis loop for a ferromagnetic material.$1$. Retentivity is the residual magnetic flux density $(B)$ in the mat

Vedclass · Accepted Answer

$c, b$

Vedclass · Answer

(A) The graph shown is a magnetic hysteresis loop for a ferromagnetic material.$1$. Retentivity is the residual magnetic flux density $(B)$ in the material when the magnetizing force $(H)$ is reduced to zero. In the graph,this corresponds to the intercept on the $B$-axis,which is point $b$.$2$. Coercivity is the reverse magnetizing force $(H)$ required to reduce the residual magnetic flux density to zero. In the graph,this corresponds to the intercept on the $H$-axis,which is point $c$.Therefore,coercivity is represented by point $c$ and retentivity is represented by point $b$. The correct option is $A$ $(c, b)$.

In the following graph of flux density $(B)$ versus magnetizing force $(H)$,coercivity and retentivity are respectively represented by the points

Similar Questions

If the $B-H$ curves of two samples of $P$ and $Q$ of iron are as shown below,then which one of the following statements is $CORRECT$?

The figure illustrates how $B$,the flux density inside a sample of unmagnetised ferromagnetic material,varies with $B_0$,the magnetic flux density in which the sample is kept. For the sample to be suitable for making a permanent magnet:

Which of the following is represented by the area enclosed by a hysteresis loop?

The only property possessed by ferromagnetic substances is

If the $B-H$ curves of two samples $P$ and $Q$ of iron are as shown below,then which one of the following statements is correct?

Vedclass Test Series

Exam Paper Generator

Online Exam Module