Lakhmir Singh & Manjit Kaur - Physics

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Q. 22 B4.8( 5 Votes )

What are the spec

Class 10th Lakhmir Singh & Manjit Kaur - Physics 2. Magnetic Effects of Electric Current

Answer :

the special features of commercial electric motors are:-

i. the coil is wound on a soft iron core. This increases the strength of magnetic field, which makes the motor more powerful.

ii. the coil contains a large number of turns of insulated copper wire.

iii. a powerful electromagnet is used in place of permanent magnet.

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