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प्रश्न
What is the function of soft iron core in d.c. motor?
लघु उत्तरीय
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उत्तर
The soft iron core is a laminated cylinder mounted on the axle. Its function is to provide a strong magnetic field when current flows through the coil wound around it. It also concentrates the magnetic flux and, because it is laminated, reduces eddy-current losses. The coil is wound over this core and rotates with it.
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