1.

Draw a labelled circuit diagram of a simple electric motor and explain its working . In what why are thesesimple electric motorsdifferent fromcommercial motors ?

Answer»

Solution :Commercial motors differ form the MOTOR explained above in the following aspects : (i) anelectromagnet replaces permanent magnet, (ii)the coil consists of a LARGE NUMBER of TURNS,and (iii) the coil is wouldon a soft iron core. The coil and the core are together knownas armature and they enhance therotationspeed of the motor .


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