Hand made diagram of dc motor
Kindly refer the link below.
https://www.meritnation.com/cbse/class10/studymaterial/science/science/magnetic-effects-of-electric-current/10_157_8732#slide1_electric-motor
https://www.meritnation.com/cbse/class10/studymaterial/science/science/magnetic-effects-of-electric-current/10_157_8732#slide1_electric-motor