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Question
Physics
Soft iron is preferred as the core of transformers due to its :
Q. Soft iron is preferred as the core of transformers due to its :
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A
low coercivity and low retentivity
13%
B
low coercivity and high retentivity
40%
C
high coercivity and high retentivity
37%
D
high coercivity and low retentivity
10%
Solution:
The core of a transformer is made of soft iron because it has high permeability so it provides complete linkage of magnetic flux of the primary coil to the secondary coil. Therefore ithas high coercivity and low retentivity.