Commercial electric motors do not use
A. a soft iron core on which the coil is wound.
B. a permanent magnet to rotate the armature.
C. an electromagnet to rotate the armature.
D. effectively large number of turns of conducting wire in the current-carrying coil.
Answer:B
Commercial electric motors do not use
A. a soft iron core on which the coil is wound. B. a permanent magnet to rotate the armature. C. an electromagnet to rotate the armature. D. effectively large number of turns of conducting wire in the current-carrying coil.