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The graph in the figure below shows the relationship between the attractive forces of an electromagnetic and the magnetizing current. Give reasons for the shape...

      

The graph in the figure below shows the relationship between the attractive forces of an electromagnetic and the magnetizing current. Give reasons for the shape of the curve in terms of the domain theory.

mag12532019815.png

  

Answers


Wilfred
- With current switched off record the initial reading of spring balance (Fo)
- Vary the current (I) and each time record the corresponding values of I and the force F.
- Tabulate these values.
- For each value of F, subtract F-to get the magnetic force due to the current on the iron (fm)
- Plot a graph of Fm against I.
- The graph will help show the relationship.
Wilfykil answered the question on March 25, 2019 at 05:17


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