Answers

2015-01-31T12:12:41+05:30
Soft iron is used in making the core of armature coil as it provides a radial magnetic field which tends to rotate the armature....
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2015-01-31T14:57:46+05:30
Iron is used in making the core of armature coil because coil is needed to fold while making something. that is the reason why it is used.
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