Question

$\huge\mathcal\red{QUESTION}$
What are the special features of commercial electric motors ?

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Answer 1

Answer:

Special features of commercial electric motors are:

• The coil is wound on a soft iron core; therefore, the strength of magnetic field increases.

• The coil contains large number of turns of insulated copper wire.

• A powerful electromagnet is used in place of permanent magnet.

Answer 2

Special features of commercial electric motors are:

• The coil is wound on a soft iron core; therefore, the strength of magnetic field increases.

• The coil is wound on a soft iron core; therefore, the strength of magnetic field increases.The coil contains large number of turns of insulated copper wire.
• A powerful electromagnet is used in place of permanent magnet.