Commercial electric motors do not use
(a) an electromagnet to rotate the armature
(b) effectively large number of turns of conducting wire in the current carrying coil
(c) a permanent magnet to rotate the armature
(d) a soft iron core on which the coil is wound
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Answer:
b ans is right answer understanding
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Hi !
your answer is B.
Hope it helps ⭐⭐⭐
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