What are the special features of commercial electric motors ?

1.	What are the special features of commercial electric motors ?
Answer» In commercial electric motors: 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.

Answer»

In commercial electric motors:

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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